{"id":2568,"date":"2024-07-25T08:03:21","date_gmt":"2024-07-25T08:03:21","guid":{"rendered":"https:\/\/eurohinca.com\/?page_id=2568"},"modified":"2026-03-12T09:59:18","modified_gmt":"2026-03-12T09:59:18","slug":"closed-shield-tunnel-boring-machines","status":"publish","type":"page","link":"https:\/\/eurohinca.com\/en\/tuneladoras-de-escudo-cerrado\/","title":{"rendered":"Closed Shield Tunnel Boring Machines: Hydroshield and EPB"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"2568\" class=\"elementor elementor-2568\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-64c7708 e-flex e-con-boxed e-con e-parent\" data-id=\"64c7708\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a024dd8 elementor-widget elementor-widget-heading\" data-id=\"a024dd8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Closed shield tunnel boring machines<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2470ccd elementor-widget elementor-widget-text-editor\" data-id=\"2470ccd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Eurohinca<\/strong> (Europea de Hincas Teledirigidas, S.A.), Trenchless specialist since 1996 - 14 TBMs and &gt;120 km executed.<\/p>\n<p>We operate <strong>closed shield tunnel boring machines<\/strong> (EPB\/water shield) for crossings and service tunnels with pressure control, alignment, and watertightness. \n  See <a href=\"\/en\/closed-shield-epb\/\" target=\"_blank\" rel=\"noopener\" style=\"color:#fff; text-decoration:underline;\">closed shield (EPB)<\/a>, \n  <a href=\"\/en\/closed-shield-hydroshield\/\" target=\"_blank\" rel=\"noopener\" style=\"color:#fff; text-decoration:underline;\">hydro shield<\/a>, \n  <a href=\"\/en\/voussoir-tunnel\/\" target=\"_blank\" rel=\"noopener\" style=\"color:#fff; text-decoration:underline;\">segment tunnel<\/a> y \n  <a href=\"\/en\/pipe-jacking-2\/\" target=\"_blank\" rel=\"noopener\" style=\"color:#fff; text-decoration:underline;\">microtunneling (MTBM)<\/a> \u2014 support for <a href=\"\/en\/choice-of-tunnel-boring-machine\/\" target=\"_blank\" rel=\"noopener\" style=\"color:#fff; text-decoration:underline;\">choice of tunnel boring machine<\/a> y <a href=\"\/en\/technical-assistance-and-engineering\/\" target=\"_blank\" rel=\"noopener\" style=\"color:#fff; text-decoration:underline;\">technical assistance and engineering<\/a>; see <a href=\"\/en\/works\/\" target=\"_blank\" rel=\"noopener\" style=\"color:#fff; text-decoration:underline;\">references<\/a>.\n<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-6334ac7 e-grid e-con-full e-con e-child\" data-id=\"6334ac7\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-33629f1 elementor-align-right elementor-mobile-align-center elementor-widget elementor-widget-button\" data-id=\"33629f1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/eurohinca.com\/en\/contact\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Request for information<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a8b67cc elementor-align-left elementor-mobile-align-center elementor-widget elementor-widget-button\" data-id=\"a8b67cc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"tel:+34918716536\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Call us now<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d63ff14 e-con-full e-flex e-con e-parent\" data-id=\"d63ff14\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-1b3c7d3 e-grid e-con-boxed e-con e-child\" data-id=\"1b3c7d3\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-00af719 e-flex e-con-boxed e-con e-child\" data-id=\"00af719\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-5706ec9 e-flex e-con-boxed e-con e-child\" data-id=\"5706ec9\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-deb4ed1 elementor-widget elementor-widget-image\" data-id=\"deb4ed1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"480\" src=\"https:\/\/eurohinca.com\/wp-content\/uploads\/2024\/07\/escudo-cerrado.jpg\" class=\"attachment-large size-large wp-image-2477\" alt=\"closed shield\" srcset=\"https:\/\/eurohinca.com\/wp-content\/uploads\/2024\/07\/escudo-cerrado.jpg 1000w, https:\/\/eurohinca.com\/wp-content\/uploads\/2024\/07\/escudo-cerrado-300x180.jpg 300w, https:\/\/eurohinca.com\/wp-content\/uploads\/2024\/07\/escudo-cerrado-768x461.jpg 768w, https:\/\/eurohinca.com\/wp-content\/uploads\/2024\/07\/escudo-cerrado-18x12.jpg 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-4fbdf78 e-flex e-con-boxed e-con e-child\" data-id=\"4fbdf78\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5d65879 elementor-widget elementor-widget-heading\" data-id=\"5d65879\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Tunnel construction: Hydroshield and EPB<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-94fab50 elementor-widget elementor-widget-text-editor\" data-id=\"94fab50\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"1007\" data-end=\"1277\">At EUROHINCA, we specialize in tunnel construction using closed-shield tunnel boring machines, known as <strong data-start=\"1118\" data-end=\"1133\">Hydroshield<\/strong> y <strong data-start=\"1136\" data-end=\"1168\">EPB (Earth Pressure Balance)<\/strong>. These machines are perfectly suited for soft terrain, unstable ground, or areas with high water content.<\/p><p data-start=\"1279\" data-end=\"1558\">We have international experience in underground construction projects, such as <strong><a class=\"decorated-link cursor-pointer\" href=\"https:\/\/eurohinca.com\/en\/urban-sewage-systems\/\" target=\"_new\" rel=\"noopener\" data-start=\"1346\" data-end=\"1441\">urban sewer tunnels<\/a><\/strong> y <strong><a class=\"decorated-link cursor-pointer\" href=\"https:\/\/eurohinca.com\/en\/drainage-works\/\" target=\"_new\" rel=\"noopener\" data-start=\"1444\" data-end=\"1506\">drainage works<\/a><\/strong>, where these techniques have proven to be effective.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f7af80c e-con-full e-flex e-con e-parent\" data-id=\"f7af80c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-2829488 e-grid e-con-boxed e-con e-child\" data-id=\"2829488\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-3a4d75c e-flex e-con-boxed e-con e-child\" data-id=\"3a4d75c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-01619e2 e-flex e-con-boxed e-con e-child\" data-id=\"01619e2\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9e67634 elementor-widget elementor-widget-heading\" data-id=\"9e67634\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Subway tunnels with closed shield tunnel boring machines (TBMs)<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-71b553d elementor-widget elementor-widget-text-editor\" data-id=\"71b553d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"1622\" data-end=\"1948\">Thanks to their ability to control pressure at the excavation face, closed-shield tunnel boring machines are ideal for urban environments, coastal areas, or unstable soils. The EPB uses the excavated material itself as support, while the hydroshield uses a bentonite slurry to ensure stability.<\/p><blockquote data-start=\"1950\" data-end=\"2111\"><p data-start=\"1952\" data-end=\"2111\">You can find more technical specifications in the <strong><a class=\"decorated-link cursor-pointer\" href=\"https:\/\/tunnel.ita-aites.org\/es\/how-to-go-undergound\/operation\/maintenance\" target=\"_new\" rel=\"noopener\" data-start=\"2006\" data-end=\"2093\">ITA Tunnel Guides<\/a><\/strong>.<\/p><\/blockquote>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-2693419 e-flex e-con-boxed e-con e-child\" data-id=\"2693419\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-fd9dc35 elementor-widget elementor-widget-image\" data-id=\"fd9dc35\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"480\" src=\"https:\/\/eurohinca.com\/wp-content\/uploads\/2024\/07\/tuneles-escudo-cerrado.jpg\" class=\"attachment-large size-large wp-image-2478\" alt=\"closed shield tunnels\" srcset=\"https:\/\/eurohinca.com\/wp-content\/uploads\/2024\/07\/tuneles-escudo-cerrado.jpg 1000w, https:\/\/eurohinca.com\/wp-content\/uploads\/2024\/07\/tuneles-escudo-cerrado-300x180.jpg 300w, https:\/\/eurohinca.com\/wp-content\/uploads\/2024\/07\/tuneles-escudo-cerrado-768x461.jpg 768w, https:\/\/eurohinca.com\/wp-content\/uploads\/2024\/07\/tuneles-escudo-cerrado-18x12.jpg 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-fad1f54 e-flex e-con-boxed e-con e-parent\" data-id=\"fad1f54\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5e906e6 elementor-widget elementor-widget-heading\" data-id=\"5e906e6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Types of closed shield tunnel boring machines<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-6290bb0 e-flex e-con-boxed e-con e-parent\" data-id=\"6290bb0\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-1e5fd8c e-con-full e-flex e-con e-child\" data-id=\"1e5fd8c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-27d784b elementor-position-top elementor-widget elementor-widget-image-box\" data-id=\"27d784b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-image-box-wrapper\"><figure class=\"elementor-image-box-img\"><a href=\"https:\/\/eurohinca.com\/en\/closed-shield-epb\/\" tabindex=\"-1\"><img decoding=\"async\" width=\"400\" height=\"300\" src=\"https:\/\/eurohinca.com\/wp-content\/uploads\/2024\/07\/tuneladoras-epb.jpg\" class=\"attachment-full size-full wp-image-2496\" alt=\"epb tunnel boring machines\" srcset=\"https:\/\/eurohinca.com\/wp-content\/uploads\/2024\/07\/tuneladoras-epb.jpg 400w, https:\/\/eurohinca.com\/wp-content\/uploads\/2024\/07\/tuneladoras-epb-300x225.jpg 300w, https:\/\/eurohinca.com\/wp-content\/uploads\/2024\/07\/tuneladoras-epb-16x12.jpg 16w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/a><\/figure><div class=\"elementor-image-box-content\"><h3 class=\"elementor-image-box-title\"><a href=\"https:\/\/eurohinca.com\/en\/closed-shield-epb\/\">EPB tunnel boring machines<\/a><\/h3><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-6e56f4a e-con-full e-flex e-con e-child\" data-id=\"6e56f4a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b40c17f elementor-position-top elementor-widget elementor-widget-image-box\" data-id=\"b40c17f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-image-box-wrapper\"><figure class=\"elementor-image-box-img\"><a href=\"https:\/\/eurohinca.com\/en\/closed-shield-hydroshield\/\" tabindex=\"-1\"><img loading=\"lazy\" decoding=\"async\" width=\"400\" height=\"300\" src=\"https:\/\/eurohinca.com\/wp-content\/uploads\/2024\/07\/hidrorescudo.jpg\" class=\"attachment-full size-full wp-image-2495\" alt=\"hydrorescudo\" srcset=\"https:\/\/eurohinca.com\/wp-content\/uploads\/2024\/07\/hidrorescudo.jpg 400w, https:\/\/eurohinca.com\/wp-content\/uploads\/2024\/07\/hidrorescudo-300x225.jpg 300w, https:\/\/eurohinca.com\/wp-content\/uploads\/2024\/07\/hidrorescudo-16x12.jpg 16w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/a><\/figure><div class=\"elementor-image-box-content\"><h3 class=\"elementor-image-box-title\"><a href=\"https:\/\/eurohinca.com\/en\/closed-shield-hydroshield\/\">Hydroshield<\/a><\/h3><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f3680a6 e-flex e-con-boxed e-con e-parent\" data-id=\"f3680a6\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-54393a0 elementor-widget elementor-widget-text-editor\" data-id=\"54393a0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2 data-start=\"544\" data-end=\"626\"><strong data-start=\"544\" data-end=\"626\">Service Specifications for Closed-Shield Tunnel Boring Machines (EPB and Slurry)<\/strong><\/h2><p data-start=\"628\" data-end=\"927\">Closed-shield tunnel boring machines (EPB and slurry) are used in soil conditions where it is necessary to <strong data-start=\"719\" data-end=\"753\">control the pressure from the front<\/strong> to ensure ground stability and minimize surface settlement. This service is defined by the following technical parameters and application criteria:<\/p><p data-start=\"929\" data-end=\"1192\">\u2022 <strong data-start=\"931\" data-end=\"960\">Main applications:<\/strong> Microtunnels and mechanized tunnels in loose, sandy, silty, clayey, mixed, or saturated soils; projects beneath sensitive urban areas, existing infrastructure, waterways, roads, and areas at risk of landslides.<\/p><p data-start=\"1194\" data-end=\"1502\">\u2022 <strong data-start=\"1196\" data-end=\"1216\">Types of shields:<\/strong><br data-start=\"1216\" data-end=\"1219\" \/>\u2013 <strong data-start=\"1223\" data-end=\"1256\">EPB (Earth Pressure Balance):<\/strong> It works by balancing the pressure at the face using the excavated material that has been processed.<br data-start=\"1353\" data-end=\"1356\" \/>\u2013 <strong data-start=\"1360\" data-end=\"1385\">Slurry \/ Hydro-shield:<\/strong> It uses pressurized slurry to stabilize the face in granular, saturated, or high-water-pressure soils.<\/p><p data-start=\"1504\" data-end=\"1777\">\u2022 <strong data-start=\"1506\" data-end=\"1545\">Compatible land conditions:<\/strong> Non-cohesive soils, materials prone to collapse, saturated sands, mixed soils, and conditions with a high water table. The choice between EPB and slurry depends on the permeability, strength, and behavior of the soil.<\/p><p data-start=\"1779\" data-end=\"2009\">\u2022 <strong data-start=\"1781\" data-end=\"1817\">Range of diameters and lengths:<\/strong> Suitable for microtunnels and medium- or large-diameter tunnels, with lengths determined based on the construction method, the jacking system, and the structural design of the lining.<\/p><p data-start=\"2011\" data-end=\"2332\">\u2022 <strong data-start=\"2013\" data-end=\"2037\">Construction method:<\/strong> Mechanized excavation in a pressurized chamber, with control of torque, thrust, and advance; material extraction via an auger (EPB) or a slurry circuit and separation plant (Slurry). The lining is typically constructed using reinforced concrete segments or driven pipe, depending on the project.<\/p><p data-start=\"2334\" data-end=\"2602\">\u2022 <strong data-start=\"2336\" data-end=\"2377\">Civil Engineering and Logistics Requirements:<\/strong> Shafts or tunnel portals with sufficient space for the tunnel boring machine, grouting systems, a slurry\/bentonite plant, electrical equipment, and ventilation. Requires areas for the storage, assembly, and transport of tunnel segments or pipe.<\/p><p data-start=\"2604\" data-end=\"2840\">\u2022 <strong data-start=\"2606\" data-end=\"2639\">Control and Guidance Systems:<\/strong> Continuous monitoring of chamber pressure, thrust, cutting torque, excavated volume, support pressures, and alignment using lasers or gyroscopes, ensuring geometric tolerances and stability.<\/p><p data-start=\"2842\" data-end=\"3109\">\u2022 <strong data-start=\"2844\" data-end=\"2879\">Quality control and safety:<\/strong> Monitoring of excavation parameters, pressure balance control, face stability, joint sealing, ventilation, safe access, and compliance with HSE protocols in confined spaces and urban environments.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-0f800fd e-flex e-con-boxed e-con e-parent\" data-id=\"0f800fd\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-911ca59 elementor-widget elementor-widget-heading\" data-id=\"911ca59\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">What they think of us<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-71f0b2d elementor-widget elementor-widget-text-editor\" data-id=\"71f0b2d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Verified reviews from our clients on projects using a closed shield. Safety, precision, and on-time delivery.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-45dd27b elementor-widget elementor-widget-shortcode\" data-id=\"45dd27b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-shortcode\"><pre class=\"ti-widget\" style=\"display: none\"><template id=\"trustindex-google-widget-html\"><div class=\"ti-widget  ti-goog ti-disable-font ti-show-rating-text ti-review-text-mode-readmore ti-text-align-left\" data-no-translation=\"true\" data-plugin-version=\"13.3.1\" data-layout-id=\"13\" data-layout-category=\"slider\" data-set-id=\"drop-shadow\" data-pid=\"\" data-language=\"es\" data-close-locale=\"Cerca\" data-review-target-width=\"275\" data-css-version=\"2\" data-reply-by-locale=\"Respuesta del propietario\" data-only-rating-locale=\"Este usuario solo dej\u00f3 una calificaci\u00f3n.\" data-pager-autoplay-timeout=\"6\"> <div class=\"ti-widget-container ti-col-4\"> <div class=\"ti-footer source-Google\"> <div class=\"ti-row\"> <div class=\"ti-profile-img\"> <trustindex-image data-imgurl=\"https:\/\/cdn.trustindex.io\/companies\/default_avatar.jpg\" alt=\"EUROHINCA\" loading=\"lazy\"><\/trustindex-image> <\/div> <div class=\"ti-profile-details\"> <div class=\"ti-name\"> EUROHINCA<\/div> <span class=\"ti-stars\"><trustindex-image class=\"ti-star\" data-imgurl=\"https:\/\/cdn.trustindex.io\/assets\/platform\/Google\/star\/f.svg\" alt=\"Google star 1\" width=\"17\" height=\"17\" loading=\"lazy\"><\/trustindex-image><trustindex-image class=\"ti-star\" data-imgurl=\"https:\/\/cdn.trustindex.io\/assets\/platform\/Google\/star\/f.svg\" alt=\"Google star 2\" width=\"17\" height=\"17\" loading=\"lazy\"><\/trustindex-image><trustindex-image class=\"ti-star\" data-imgurl=\"https:\/\/cdn.trustindex.io\/assets\/platform\/Google\/star\/f.svg\" alt=\"Google star 3\" width=\"17\" height=\"17\" loading=\"lazy\"><\/trustindex-image><trustindex-image class=\"ti-star\" data-imgurl=\"https:\/\/cdn.trustindex.io\/assets\/platform\/Google\/star\/f.svg\" alt=\"Google star 4\" width=\"17\" height=\"17\" loading=\"lazy\"><\/trustindex-image><trustindex-image class=\"ti-star\" data-imgurl=\"https:\/\/cdn.trustindex.io\/assets\/platform\/Google\/star\/h.svg\" alt=\"Google star 5.0.7\" width=\"17\" height=\"17\" loading=\"lazy\"><\/trustindex-image><\/span> <div class=\"ti-rating-text\"> <span class=\"nowrap\"><strong>10 rese\u00f1as Google<\/strong><\/span> <\/div> <div class=\"ti-header-write-btn-container\"> <a href=\"https:\/\/admin.trustindex.io\/api\/googleWriteReview?place-id=ChIJhRuBOXUvQg0RuIgXN62RpGo\" class=\"ti-header-write-btn\" role=\"button\" aria-label=\"Escribe una rese\u00f1a a Google\" target=\"_blank\" rel=\"noopener\">Escribe una rese\u00f1a<\/a> <\/div>  <\/div> <\/div> <\/div> <div class=\"ti-reviews-container\"> <div class=\"ti-controls\"> <div class=\"ti-next\" aria-label=\"Siguiente rese\u00f1a\" role=\"button\" tabindex=\"0\"><\/div> <div class=\"ti-prev\" aria-label=\"Rese\u00f1a anterior\" role=\"button\" tabindex=\"0\"><\/div> <\/div> <div class=\"ti-reviews-container-wrapper\">  <div data-empty=\"1\" class=\"ti-review-item source-Google ti-image-layout-thumbnail\" data-time=\"\" data-id=\"cfcd208495d565ef66e7dff9f98764da\" data-language=\"\"> <div class=\"ti-inner\"> <div class=\"ti-review-header\"> <div class=\"ti-platform-icon ti-with-tooltip\"> <span class=\"ti-tooltip\">Publicado en Google<\/span> <trustindex-image data-imgurl=\"https:\/\/cdn.trustindex.io\/assets\/platform\/Google\/icon.svg\" alt=\"Google\" width=\"20\" height=\"20\" loading=\"lazy\"><\/trustindex-image> <\/div> <div class=\"ti-profile-img\"> <trustindex-image data-imgurl=\"https:\/\/lh3.googleusercontent.com\/a-\/ALV-UjXv2jzS4mhVAh-8VZnWVDgLYFh-GmvF1bSQtaHdACVdEujQ-YE8=w40-h40-c-rp-mo-br100\" alt=\"Carlos Vasconcello profile picture\" loading=\"lazy\"><\/trustindex-image> <\/div> <div class=\"ti-profile-details\"> <div class=\"ti-name\"> Carlos Vasconcello <\/div> <div class=\"ti-date\">26 Enero 2026<\/div> <\/div> <\/div> <span class=\"ti-stars\"><trustindex-image class=\"ti-star\" data-imgurl=\"https:\/\/cdn.trustindex.io\/assets\/platform\/Google\/star\/f.svg\" alt=\"Google star 1\" width=\"17\" height=\"17\" loading=\"lazy\"><\/trustindex-image><trustindex-image class=\"ti-star\" data-imgurl=\"https:\/\/cdn.trustindex.io\/assets\/platform\/Google\/star\/f.svg\" alt=\"Google star 2\" width=\"17\" height=\"17\" loading=\"lazy\"><\/trustindex-image><trustindex-image class=\"ti-star\" data-imgurl=\"https:\/\/cdn.trustindex.io\/assets\/platform\/Google\/star\/f.svg\" alt=\"Google star 3\" width=\"17\" height=\"17\" loading=\"lazy\"><\/trustindex-image><trustindex-image class=\"ti-star\" data-imgurl=\"https:\/\/cdn.trustindex.io\/assets\/platform\/Google\/star\/f.svg\" alt=\"Google star 4\" width=\"17\" height=\"17\" loading=\"lazy\"><\/trustindex-image><trustindex-image class=\"ti-star\" data-imgurl=\"https:\/\/cdn.trustindex.io\/assets\/platform\/Google\/star\/f.svg\" alt=\"Google star 5\" width=\"17\" height=\"17\" loading=\"lazy\"><\/trustindex-image><\/span> <div class=\"ti-review-text-container ti-review-content\"><!-- R-CONTENT --><!-- R-CONTENT --><\/div> <span class=\"ti-read-more\" data-container=\".ti-review-content\" data-collapse-text=\"Ocultar\" data-open-text=\"Leer m\u00e1s\"><\/span> <\/div> <\/div>  <div data-empty=\"0\" class=\"ti-review-item source-Google ti-image-layout-thumbnail\" data-time=\"\" data-id=\"cfcd208495d565ef66e7dff9f98764da\" data-language=\"\"> <div class=\"ti-inner\"> <div class=\"ti-review-header\"> <div class=\"ti-platform-icon ti-with-tooltip\"> <span class=\"ti-tooltip\">Publicado en Google<\/span> <trustindex-image data-imgurl=\"https:\/\/cdn.trustindex.io\/assets\/platform\/Google\/icon.svg\" alt=\"Google\" width=\"20\" height=\"20\" loading=\"lazy\"><\/trustindex-image> <\/div> <div class=\"ti-profile-img\"> <trustindex-image data-imgurl=\"https:\/\/lh3.googleusercontent.com\/a-\/ALV-UjVfqYGmW-utaIIhWVUeAVAftNV-QiManYQupq4tuhdQAXyDhc8wEw=w40-h40-c-rp-mo-br100\" alt=\"Tidiane Ba profile picture\" loading=\"lazy\"><\/trustindex-image> <\/div> <div class=\"ti-profile-details\"> <div class=\"ti-name\"> Tidiane Ba <\/div> <div class=\"ti-date\">17 Septiembre 2025<\/div> <\/div> <\/div> <span class=\"ti-stars\"><trustindex-image class=\"ti-star\" data-imgurl=\"https:\/\/cdn.trustindex.io\/assets\/platform\/Google\/star\/f.svg\" alt=\"Google star 1\" width=\"17\" height=\"17\" loading=\"lazy\"><\/trustindex-image><trustindex-image class=\"ti-star\" data-imgurl=\"https:\/\/cdn.trustindex.io\/assets\/platform\/Google\/star\/f.svg\" alt=\"Google star 2\" width=\"17\" height=\"17\" loading=\"lazy\"><\/trustindex-image><trustindex-image class=\"ti-star\" data-imgurl=\"https:\/\/cdn.trustindex.io\/assets\/platform\/Google\/star\/f.svg\" alt=\"Google star 3\" width=\"17\" height=\"17\" loading=\"lazy\"><\/trustindex-image><trustindex-image class=\"ti-star\" data-imgurl=\"https:\/\/cdn.trustindex.io\/assets\/platform\/Google\/star\/f.svg\" alt=\"Google star 4\" width=\"17\" height=\"17\" loading=\"lazy\"><\/trustindex-image><trustindex-image class=\"ti-star\" data-imgurl=\"https:\/\/cdn.trustindex.io\/assets\/platform\/Google\/star\/f.svg\" alt=\"Google star 5\" width=\"17\" height=\"17\" loading=\"lazy\"><\/trustindex-image><\/span> <div class=\"ti-review-text-container ti-review-content\"><!-- R-CONTENT -->Bien<!-- R-CONTENT --><\/div> <span class=\"ti-read-more\" data-container=\".ti-review-content\" data-collapse-text=\"Ocultar\" data-open-text=\"Leer m\u00e1s\"><\/span> <\/div> <\/div>  <div data-empty=\"1\" class=\"ti-review-item source-Google ti-image-layout-thumbnail\" data-time=\"\" data-id=\"cfcd208495d565ef66e7dff9f98764da\" data-language=\"\"> <div class=\"ti-inner\"> <div class=\"ti-review-header\"> <div class=\"ti-platform-icon ti-with-tooltip\"> <span class=\"ti-tooltip\">Publicado en Google<\/span> <trustindex-image data-imgurl=\"https:\/\/cdn.trustindex.io\/assets\/platform\/Google\/icon.svg\" alt=\"Google\" width=\"20\" height=\"20\" loading=\"lazy\"><\/trustindex-image> <\/div> <div class=\"ti-profile-img\"> <trustindex-image data-imgurl=\"https:\/\/lh3.googleusercontent.com\/a-\/ALV-UjXTzM-W38nXFtaJu9I9qkvFQXOBLEb0EcKCaHg0ChrQqbfBVCyK=w40-h40-c-rp-mo-ba4-br100\" alt=\"Marcelo Virgili profile picture\" loading=\"lazy\"><\/trustindex-image> <\/div> <div class=\"ti-profile-details\"> <div class=\"ti-name\"> Marcelo Virgili <\/div> <div class=\"ti-date\">27 Septiembre 2024<\/div> <\/div> <\/div> <span class=\"ti-stars\"><trustindex-image class=\"ti-star\" data-imgurl=\"https:\/\/cdn.trustindex.io\/assets\/platform\/Google\/star\/f.svg\" alt=\"Google star 1\" width=\"17\" height=\"17\" loading=\"lazy\"><\/trustindex-image><trustindex-image class=\"ti-star\" data-imgurl=\"https:\/\/cdn.trustindex.io\/assets\/platform\/Google\/star\/f.svg\" alt=\"Google star 2\" width=\"17\" height=\"17\" loading=\"lazy\"><\/trustindex-image><trustindex-image class=\"ti-star\" data-imgurl=\"https:\/\/cdn.trustindex.io\/assets\/platform\/Google\/star\/f.svg\" alt=\"Google star 3\" width=\"17\" height=\"17\" loading=\"lazy\"><\/trustindex-image><trustindex-image class=\"ti-star\" data-imgurl=\"https:\/\/cdn.trustindex.io\/assets\/platform\/Google\/star\/f.svg\" alt=\"Google star 4\" width=\"17\" height=\"17\" loading=\"lazy\"><\/trustindex-image><trustindex-image class=\"ti-star\" data-imgurl=\"https:\/\/cdn.trustindex.io\/assets\/platform\/Google\/star\/f.svg\" alt=\"Google star 5\" width=\"17\" height=\"17\" loading=\"lazy\"><\/trustindex-image><\/span> <div class=\"ti-review-text-container ti-review-content\"><!-- R-CONTENT --><!-- R-CONTENT --><\/div> <span class=\"ti-read-more\" data-container=\".ti-review-content\" data-collapse-text=\"Ocultar\" data-open-text=\"Leer m\u00e1s\"><\/span> <\/div> <\/div>  <div data-empty=\"1\" class=\"ti-review-item source-Google ti-image-layout-thumbnail\" data-time=\"\" data-id=\"cfcd208495d565ef66e7dff9f98764da\" data-language=\"\"> <div class=\"ti-inner\"> <div class=\"ti-review-header\"> <div class=\"ti-platform-icon ti-with-tooltip\"> <span class=\"ti-tooltip\">Publicado en Google<\/span> <trustindex-image data-imgurl=\"https:\/\/cdn.trustindex.io\/assets\/platform\/Google\/icon.svg\" alt=\"Google\" width=\"20\" height=\"20\" loading=\"lazy\"><\/trustindex-image> <\/div> <div class=\"ti-profile-img\"> <trustindex-image data-imgurl=\"https:\/\/lh3.googleusercontent.com\/a-\/ALV-UjV9KcYTDTsRbShmJYM9f_PptnsQ-iK8pOerWi5W0kojVOla35tC=w40-h40-c-rp-mo-br100\" alt=\"SERGIO ROJAS ROJAS profile picture\" loading=\"lazy\"><\/trustindex-image> <\/div> <div class=\"ti-profile-details\"> <div class=\"ti-name\"> SERGIO ROJAS ROJAS <\/div> <div class=\"ti-date\">16 Julio 2024<\/div> <\/div> <\/div> <span class=\"ti-stars\"><trustindex-image class=\"ti-star\" data-imgurl=\"https:\/\/cdn.trustindex.io\/assets\/platform\/Google\/star\/f.svg\" alt=\"Google star 1\" width=\"17\" height=\"17\" loading=\"lazy\"><\/trustindex-image><trustindex-image class=\"ti-star\" data-imgurl=\"https:\/\/cdn.trustindex.io\/assets\/platform\/Google\/star\/f.svg\" alt=\"Google star 2\" width=\"17\" height=\"17\" loading=\"lazy\"><\/trustindex-image><trustindex-image class=\"ti-star\" data-imgurl=\"https:\/\/cdn.trustindex.io\/assets\/platform\/Google\/star\/f.svg\" alt=\"Google star 3\" width=\"17\" height=\"17\" loading=\"lazy\"><\/trustindex-image><trustindex-image class=\"ti-star\" data-imgurl=\"https:\/\/cdn.trustindex.io\/assets\/platform\/Google\/star\/f.svg\" alt=\"Google star 4\" width=\"17\" height=\"17\" loading=\"lazy\"><\/trustindex-image><trustindex-image class=\"ti-star\" data-imgurl=\"https:\/\/cdn.trustindex.io\/assets\/platform\/Google\/star\/f.svg\" alt=\"Google star 5\" width=\"17\" height=\"17\" loading=\"lazy\"><\/trustindex-image><\/span> <div class=\"ti-review-text-container ti-review-content\"><!-- R-CONTENT --><!-- R-CONTENT --><\/div> <span class=\"ti-read-more\" data-container=\".ti-review-content\" data-collapse-text=\"Ocultar\" data-open-text=\"Leer m\u00e1s\"><\/span> <\/div> <\/div>  <div data-empty=\"1\" class=\"ti-review-item source-Google ti-image-layout-thumbnail\" data-time=\"\" data-id=\"cfcd208495d565ef66e7dff9f98764da\" data-language=\"\"> <div class=\"ti-inner\"> <div class=\"ti-review-header\"> <div class=\"ti-platform-icon ti-with-tooltip\"> <span class=\"ti-tooltip\">Publicado en Google<\/span> <trustindex-image data-imgurl=\"https:\/\/cdn.trustindex.io\/assets\/platform\/Google\/icon.svg\" alt=\"Google\" width=\"20\" height=\"20\" loading=\"lazy\"><\/trustindex-image> <\/div> <div class=\"ti-profile-img\"> <trustindex-image data-imgurl=\"https:\/\/lh3.googleusercontent.com\/a-\/ALV-UjWVlmGeJ_gQSctLxdklr4E_AtKdFJd5I0u-EJB1mF3pibSL5x5osw=w40-h40-c-rp-mo-ba3-br100\" alt=\"Dany Fernandez Vazquez profile picture\" loading=\"lazy\"><\/trustindex-image> <\/div> <div class=\"ti-profile-details\"> <div class=\"ti-name\"> Dany Fernandez Vazquez <\/div> <div class=\"ti-date\">14 Julio 2022<\/div> <\/div> <\/div> <span class=\"ti-stars\"><trustindex-image class=\"ti-star\" data-imgurl=\"https:\/\/cdn.trustindex.io\/assets\/platform\/Google\/star\/f.svg\" alt=\"Google star 1\" width=\"17\" height=\"17\" loading=\"lazy\"><\/trustindex-image><trustindex-image class=\"ti-star\" data-imgurl=\"https:\/\/cdn.trustindex.io\/assets\/platform\/Google\/star\/f.svg\" alt=\"Google star 2\" width=\"17\" height=\"17\" loading=\"lazy\"><\/trustindex-image><trustindex-image class=\"ti-star\" data-imgurl=\"https:\/\/cdn.trustindex.io\/assets\/platform\/Google\/star\/f.svg\" alt=\"Google star 3\" width=\"17\" height=\"17\" loading=\"lazy\"><\/trustindex-image><trustindex-image class=\"ti-star\" data-imgurl=\"https:\/\/cdn.trustindex.io\/assets\/platform\/Google\/star\/f.svg\" alt=\"Google star 4\" width=\"17\" height=\"17\" loading=\"lazy\"><\/trustindex-image><trustindex-image class=\"ti-star\" data-imgurl=\"https:\/\/cdn.trustindex.io\/assets\/platform\/Google\/star\/f.svg\" alt=\"Google star 5\" width=\"17\" height=\"17\" loading=\"lazy\"><\/trustindex-image><\/span> <div class=\"ti-review-text-container ti-review-content\"><!-- R-CONTENT --><!-- R-CONTENT --><\/div> <span class=\"ti-read-more\" data-container=\".ti-review-content\" data-collapse-text=\"Ocultar\" data-open-text=\"Leer m\u00e1s\"><\/span> <\/div> <\/div>  <div data-empty=\"1\" class=\"ti-review-item source-Google ti-image-layout-thumbnail\" data-time=\"\" data-id=\"cfcd208495d565ef66e7dff9f98764da\" data-language=\"\"> <div class=\"ti-inner\"> <div class=\"ti-review-header\"> <div class=\"ti-platform-icon ti-with-tooltip\"> <span class=\"ti-tooltip\">Publicado en Google<\/span> <trustindex-image data-imgurl=\"https:\/\/cdn.trustindex.io\/assets\/platform\/Google\/icon.svg\" alt=\"Google\" width=\"20\" height=\"20\" loading=\"lazy\"><\/trustindex-image> <\/div> <div class=\"ti-profile-img\"> <trustindex-image data-imgurl=\"https:\/\/lh3.googleusercontent.com\/a-\/ALV-UjWIj2B3urtRzE6r0zCURT45sKFCNwEGhljlemE5RodAjrGgLkA=w40-h40-c-rp-mo-ba2-br100\" alt=\"Victor Cabeza profile picture\" loading=\"lazy\"><\/trustindex-image> <\/div> <div class=\"ti-profile-details\"> <div class=\"ti-name\"> Victor Cabeza <\/div> <div class=\"ti-date\">19 Marzo 2021<\/div> <\/div> <\/div> <span class=\"ti-stars\"><trustindex-image class=\"ti-star\" data-imgurl=\"https:\/\/cdn.trustindex.io\/assets\/platform\/Google\/star\/f.svg\" alt=\"Google star 1\" width=\"17\" height=\"17\" loading=\"lazy\"><\/trustindex-image><trustindex-image class=\"ti-star\" data-imgurl=\"https:\/\/cdn.trustindex.io\/assets\/platform\/Google\/star\/f.svg\" alt=\"Google star 2\" width=\"17\" height=\"17\" loading=\"lazy\"><\/trustindex-image><trustindex-image class=\"ti-star\" data-imgurl=\"https:\/\/cdn.trustindex.io\/assets\/platform\/Google\/star\/f.svg\" alt=\"Google star 3\" width=\"17\" height=\"17\" loading=\"lazy\"><\/trustindex-image><trustindex-image class=\"ti-star\" data-imgurl=\"https:\/\/cdn.trustindex.io\/assets\/platform\/Google\/star\/f.svg\" alt=\"Google star 4\" width=\"17\" height=\"17\" loading=\"lazy\"><\/trustindex-image><trustindex-image class=\"ti-star\" data-imgurl=\"https:\/\/cdn.trustindex.io\/assets\/platform\/Google\/star\/f.svg\" alt=\"Google star 5\" width=\"17\" height=\"17\" loading=\"lazy\"><\/trustindex-image><\/span> <div class=\"ti-review-text-container ti-review-content\"><!-- R-CONTENT --><!-- R-CONTENT --><\/div> <span class=\"ti-read-more\" data-container=\".ti-review-content\" data-collapse-text=\"Ocultar\" data-open-text=\"Leer m\u00e1s\"><\/span> <\/div> <\/div>  <div data-empty=\"1\" class=\"ti-review-item source-Google ti-image-layout-thumbnail\" data-time=\"\" data-id=\"cfcd208495d565ef66e7dff9f98764da\" data-language=\"\"> <div class=\"ti-inner\"> <div class=\"ti-review-header\"> <div class=\"ti-platform-icon ti-with-tooltip\"> <span class=\"ti-tooltip\">Publicado en Google<\/span> <trustindex-image data-imgurl=\"https:\/\/cdn.trustindex.io\/assets\/platform\/Google\/icon.svg\" alt=\"Google\" width=\"20\" height=\"20\" loading=\"lazy\"><\/trustindex-image> <\/div> <div class=\"ti-profile-img\"> <trustindex-image data-imgurl=\"https:\/\/lh3.googleusercontent.com\/a\/ACg8ocIv_53OL27Ode5RThr_Ea_Wfd4sPf0bLaBjImnroktc_NG3EQ=w40-h40-c-rp-mo-ba4-br100\" alt=\"Eduardo profile picture\" loading=\"lazy\"><\/trustindex-image> <\/div> <div class=\"ti-profile-details\"> <div class=\"ti-name\"> Eduardo <\/div> <div class=\"ti-date\">18 Diciembre 2018<\/div> <\/div> <\/div> <span class=\"ti-stars\"><trustindex-image class=\"ti-star\" data-imgurl=\"https:\/\/cdn.trustindex.io\/assets\/platform\/Google\/star\/f.svg\" alt=\"Google star 1\" width=\"17\" height=\"17\" loading=\"lazy\"><\/trustindex-image><trustindex-image class=\"ti-star\" data-imgurl=\"https:\/\/cdn.trustindex.io\/assets\/platform\/Google\/star\/f.svg\" alt=\"Google star 2\" width=\"17\" height=\"17\" loading=\"lazy\"><\/trustindex-image><trustindex-image class=\"ti-star\" data-imgurl=\"https:\/\/cdn.trustindex.io\/assets\/platform\/Google\/star\/f.svg\" alt=\"Google star 3\" width=\"17\" height=\"17\" loading=\"lazy\"><\/trustindex-image><trustindex-image class=\"ti-star\" data-imgurl=\"https:\/\/cdn.trustindex.io\/assets\/platform\/Google\/star\/f.svg\" alt=\"Google star 4\" width=\"17\" height=\"17\" loading=\"lazy\"><\/trustindex-image><trustindex-image class=\"ti-star\" data-imgurl=\"https:\/\/cdn.trustindex.io\/assets\/platform\/Google\/star\/f.svg\" alt=\"Google star 5\" width=\"17\" height=\"17\" loading=\"lazy\"><\/trustindex-image><\/span> <div class=\"ti-review-text-container ti-review-content\"><!-- R-CONTENT --><!-- R-CONTENT --><\/div> <span class=\"ti-read-more\" data-container=\".ti-review-content\" data-collapse-text=\"Ocultar\" data-open-text=\"Leer m\u00e1s\"><\/span> <\/div> <\/div>  <div data-empty=\"1\" class=\"ti-review-item source-Google ti-image-layout-thumbnail\" data-time=\"\" data-id=\"cfcd208495d565ef66e7dff9f98764da\" data-language=\"\"> <div class=\"ti-inner\"> <div class=\"ti-review-header\"> <div class=\"ti-platform-icon ti-with-tooltip\"> <span class=\"ti-tooltip\">Publicado en Google<\/span> <trustindex-image data-imgurl=\"https:\/\/cdn.trustindex.io\/assets\/platform\/Google\/icon.svg\" alt=\"Google\" width=\"20\" height=\"20\" loading=\"lazy\"><\/trustindex-image> <\/div> <div class=\"ti-profile-img\"> <trustindex-image data-imgurl=\"https:\/\/lh3.googleusercontent.com\/a-\/ALV-UjX2yvZgRdETHHIhGzQd5J9QDM45PD7VENn_D7_hZs4U5AVSxiHl=w40-h40-c-rp-mo-ba2-br100\" alt=\"JuanK mesa profile picture\" loading=\"lazy\"><\/trustindex-image> <\/div> <div class=\"ti-profile-details\"> <div class=\"ti-name\"> JuanK mesa <\/div> <div class=\"ti-date\">17 Noviembre 2017<\/div> <\/div> <\/div> <span class=\"ti-stars\"><trustindex-image class=\"ti-star\" data-imgurl=\"https:\/\/cdn.trustindex.io\/assets\/platform\/Google\/star\/f.svg\" alt=\"Google star 1\" width=\"17\" height=\"17\" loading=\"lazy\"><\/trustindex-image><trustindex-image class=\"ti-star\" data-imgurl=\"https:\/\/cdn.trustindex.io\/assets\/platform\/Google\/star\/f.svg\" alt=\"Google star 2\" width=\"17\" height=\"17\" loading=\"lazy\"><\/trustindex-image><trustindex-image class=\"ti-star\" data-imgurl=\"https:\/\/cdn.trustindex.io\/assets\/platform\/Google\/star\/f.svg\" alt=\"Google star 3\" width=\"17\" height=\"17\" loading=\"lazy\"><\/trustindex-image><trustindex-image class=\"ti-star\" data-imgurl=\"https:\/\/cdn.trustindex.io\/assets\/platform\/Google\/star\/f.svg\" alt=\"Google star 4\" width=\"17\" height=\"17\" loading=\"lazy\"><\/trustindex-image><trustindex-image class=\"ti-star\" data-imgurl=\"https:\/\/cdn.trustindex.io\/assets\/platform\/Google\/star\/f.svg\" alt=\"Google star 5\" width=\"17\" height=\"17\" loading=\"lazy\"><\/trustindex-image><\/span> <div class=\"ti-review-text-container ti-review-content\"><!-- R-CONTENT --><!-- R-CONTENT --><\/div> <span class=\"ti-read-more\" data-container=\".ti-review-content\" data-collapse-text=\"Ocultar\" data-open-text=\"Leer m\u00e1s\"><\/span> <\/div> <\/div>  <\/div> <div class=\"ti-controls-line\"> <div class=\"dot\"><\/div> <\/div>   <\/div> <\/div> <\/div> <\/template><\/pre><div data-src=\"https:\/\/cdn.trustindex.io\/loader.js?wp-widget\" data-template-id=\"trustindex-google-widget-html\" data-css-url=\"https:\/\/eurohinca.com\/wp-content\/uploads\/trustindex-google-widget.css?1782444035\"><\/div><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-f76375d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"f76375d\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-87b80b8\" data-id=\"87b80b8\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-48f2e47 elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"48f2e47\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-heading-title elementor-size-default\">International Experience<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8f3efa8 elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"8f3efa8\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;,&quot;_animation_delay&quot;:200}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Projects around the world<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a185063 elementor-widget elementor-widget-text-editor\" data-id=\"a185063\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>From the Americas to Asia, Eurohinca develops microtunnelling, pipe jacking and subsea outfall projects in coastal, urban and industrial environments. Our global expertise allows us to offer safe, precise and sustainable solutions adapted to the most demanding conditions.<br data-start=\"503\" data-end=\"506\" \/>Find out more in our <strong><a class=\"cursor-pointer\" href=\"https:\/\/eurohinca.com\/en\/works\/\" target=\"_new\" rel=\"noopener\" data-start=\"543\" data-end=\"606\">projects and works executed<\/a><\/strong>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0d44ff9 elementor-widget elementor-widget-image\" data-id=\"0d44ff9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/eurohinca.com\/wp-content\/uploads\/2024\/02\/EUROHINCA-INTERNATIONAL-EXPERIENCE.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"EUROHINCA-INTERNATIONAL-EXPERIENCE\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MTQ5MSwidXJsIjoiaHR0cHM6XC9cL2V1cm9oaW5jYS5jb21cL3dwLWNvbnRlbnRcL3VwbG9hZHNcLzIwMjRcLzAyXC9FVVJPSElOQ0EtSU5URVJOQVRJT05BTC1FWFBFUklFTkNFLmpwZyJ9\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"2000\" height=\"989\" src=\"https:\/\/eurohinca.com\/wp-content\/uploads\/2024\/02\/EUROHINCA-INTERNATIONAL-EXPERIENCE.jpg\" class=\"attachment-full size-full wp-image-1491\" alt=\"eurohinca map\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t<div class=\"elementor-element elementor-element-ddd3a39 e-flex e-con-boxed e-con e-parent\" data-id=\"ddd3a39\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1f6d52c elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"1f6d52c\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;,&quot;_animation_delay&quot;:200}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Closed Shield: Rapid Response<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d682ead e-con-full e-flex e-con e-child\" data-id=\"d682ead\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-8756fe9 e-con-full e-flex e-con e-child\" data-id=\"8756fe9\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1728fb4 elementor-widget elementor-widget-text-editor\" data-id=\"1728fb4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2 data-start=\"0\" data-end=\"26\">What Is a Hydro-Shield?<\/h2><p data-start=\"27\" data-end=\"366\">A <strong data-start=\"30\" data-end=\"45\">hydro shield<\/strong> (closed-shield) is a type of tunnel boring machine\/microtunneling machine that operates with a pressurized face using a slurry system, and the choice of machine depends on the ground conditions and the project. For a general guide to selecting the right machine, you may find this helpful <strong data-start=\"290\" data-end=\"365\"><a class=\"decorated-link\" href=\"https:\/\/eurohinca.com\/en\/choice-of-tunnel-boring-machine\/\" target=\"_new\" rel=\"noopener\" data-start=\"292\" data-end=\"363\">choice of tunnel boring machine<\/a><\/strong>.<\/p><h2 data-start=\"368\" data-end=\"390\">When to use<\/h2><p data-start=\"391\" data-end=\"767\">It is used when the project requires a <strong data-start=\"433\" data-end=\"451\">closed shield<\/strong> and the design approach must be adapted to environmental and site conditions. To compare with other closed-shield systems, see <strong data-start=\"595\" data-end=\"650\"><a class=\"decorated-link\" href=\"https:\/\/eurohinca.com\/en\/closed-shield-epb\/\" target=\"_new\" rel=\"noopener\" data-start=\"597\" data-end=\"648\">EPB<\/a><\/strong> or an overview of <strong data-start=\"674\" data-end=\"766\"><a class=\"decorated-link\" href=\"https:\/\/eurohinca.com\/en\/closed-shield-tunnel-boring-machines\/\" target=\"_new\" rel=\"noopener\" data-start=\"676\" data-end=\"764\">closed shield tunnel boring machines<\/a><\/strong>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-b5e35e4 e-con-full e-flex e-con e-child\" data-id=\"b5e35e4\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6a24238 elementor-widget elementor-widget-text-editor\" data-id=\"6a24238\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2 data-start=\"769\" data-end=\"785\">Key data<\/h2><ul data-start=\"786\" data-end=\"1076\"><li data-start=\"786\" data-end=\"878\"><p data-start=\"788\" data-end=\"878\">Preliminary layout and environmental conditions (crossings, access, occupation, services).<\/p><\/li><li data-start=\"879\" data-end=\"977\"><p data-start=\"881\" data-end=\"977\">Soil information available (geotechnical or references) and presence of water if known.<\/p><\/li><li data-start=\"978\" data-end=\"1076\"><p data-start=\"980\" data-end=\"1076\">Purpose of the section (type of infrastructure to be executed) and relevant project restrictions.<\/p><\/li><\/ul><h2 data-start=\"1078\" data-end=\"1106\">Recommended information<\/h2><ul data-start=\"1107\" data-end=\"1506\"><li data-start=\"1107\" data-end=\"1176\"><p data-start=\"1109\" data-end=\"1176\">Longitudinal profile and singular points of the layout (if any).<\/p><\/li><li data-start=\"1177\" data-end=\"1266\"><p data-start=\"1179\" data-end=\"1266\">Holder\/operator requirements (if applicable) and acceptance\/operation conditions.<\/p><\/li><li data-start=\"1267\" data-end=\"1506\"><p data-start=\"1269\" data-end=\"1506\">If the project involves intersections, it can provide context <strong data-start=\"1329\" data-end=\"1412\"><a class=\"decorated-link\" href=\"https:\/\/eurohinca.com\/en\/infrastructure-crossings\/\" target=\"_new\" rel=\"noopener\" data-start=\"1331\" data-end=\"1410\">infrastructure crossings<\/a><\/strong> o <strong data-start=\"1415\" data-end=\"1505\"><a class=\"decorated-link\" href=\"https:\/\/eurohinca.com\/en\/river-and-water-crossings\/\" target=\"_new\" rel=\"noopener\" data-start=\"1417\" data-end=\"1503\">river and watercourse crossings<\/a><\/strong>.<\/p><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-4039b63 e-flex e-con-boxed e-con e-parent\" data-id=\"4039b63\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d68601c elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"d68601c\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;,&quot;_animation_delay&quot;:200}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Request for information<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6c6f8df elementor-widget elementor-widget-text-editor\" data-id=\"6c6f8df\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h4>Does your project require safe solutions for soft or water-saturated soil?<\/h4>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e91c84c elementor-widget elementor-widget-text-editor\" data-id=\"e91c84c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Write to us and we'll give you some advice with no obligation.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f27de07 e-flex e-con-boxed e-con e-parent\" data-id=\"f27de07\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-467665b elementor-widget elementor-widget-spacer\" data-id=\"467665b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-189f69f elementor-widget elementor-widget-heading\" data-id=\"189f69f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">News that may interest you<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b70f2c9 elementor-widget elementor-widget-text-editor\" data-id=\"b70f2c9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>In our news section, we analyze real-world cases, construction experiences, and technical advice on closed-shield tunnel boring machines.<\/p><p><strong><a href=\"https:\/\/eurohinca.com\/en\/eurohinca-news\/\">Read more news<\/a><\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-aa94c28 elementor-grid-3 elementor-grid-tablet-2 elementor-grid-mobile-1 elementor-posts--thumbnail-top elementor-widget elementor-widget-posts\" data-id=\"aa94c28\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;classic_columns&quot;:&quot;3&quot;,&quot;classic_columns_tablet&quot;:&quot;2&quot;,&quot;classic_columns_mobile&quot;:&quot;1&quot;,&quot;classic_row_gap&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:35,&quot;sizes&quot;:[]},&quot;classic_row_gap_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;classic_row_gap_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"posts.classic\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-posts-container elementor-posts elementor-posts--skin-classic elementor-grid\" role=\"list\">\n\t\t\t\t<article class=\"elementor-post elementor-grid-item post-3939 post type-post status-publish format-standard has-post-thumbnail hentry category-escudo-cerrado category-informacion\" role=\"listitem\">\n\t\t\t\t<a class=\"elementor-post__thumbnail__link\" href=\"https:\/\/eurohinca.com\/en\/gestion-de-presiones-bajo-agua-subterranea-alta-con-hidroescudo\/\" tabindex=\"-1\" >\n\t\t\t<div class=\"elementor-post__thumbnail\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"162\" src=\"https:\/\/eurohinca.com\/wp-content\/uploads\/2024\/02\/Hidroescudo-1.jpg\" class=\"attachment-medium size-medium wp-image-1878\" alt=\"Hydroshield\" \/><\/div>\n\t\t<\/a>\n\t\t\t\t<div class=\"elementor-post__text\">\n\t\t\t\t<h3 class=\"elementor-post__title\">\n\t\t\t<a href=\"https:\/\/eurohinca.com\/en\/gestion-de-presiones-bajo-agua-subterranea-alta-con-hidroescudo\/\" >\n\t\t\t\tManagement of pressures under high groundwater with hydroshields\t\t\t<\/a>\n\t\t<\/h3>\n\t\t\t\t<div class=\"elementor-post__excerpt\">\n\t\t\t<p>Working at more than 5 bar of groundwater pressure requires the use of a closed shield of the hydroshield type.<\/p>\n\t\t<\/div>\n\t\t\n\t\t<a class=\"elementor-post__read-more\" href=\"https:\/\/eurohinca.com\/en\/gestion-de-presiones-bajo-agua-subterranea-alta-con-hidroescudo\/\" aria-label=\"Read more about Managing pressures under high groundwater with hydroshields\" tabindex=\"-1\" >\n\t\t\tRead more \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t<\/article>\n\t\t\t\t<article class=\"elementor-post elementor-grid-item post-3842 post type-post status-publish format-standard has-post-thumbnail hentry category-escudo-abierto category-escudo-cerrado category-informacion\" role=\"listitem\">\n\t\t\t\t<a class=\"elementor-post__thumbnail__link\" href=\"https:\/\/eurohinca.com\/en\/ventajas-competitivas-del-microtunneling-en-proyectos-de-infraestructura\/\" tabindex=\"-1\" >\n\t\t\t<div class=\"elementor-post__thumbnail\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/eurohinca.com\/wp-content\/uploads\/2025\/04\/microtunneling.jpg\" class=\"attachment-medium size-medium wp-image-3844\" alt=\"microtunneling\" \/><\/div>\n\t\t<\/a>\n\t\t\t\t<div class=\"elementor-post__text\">\n\t\t\t\t<h3 class=\"elementor-post__title\">\n\t\t\t<a href=\"https:\/\/eurohinca.com\/en\/ventajas-competitivas-del-microtunneling-en-proyectos-de-infraestructura\/\" >\n\t\t\t\tCompetitive advantages of microtunneling in infrastructure projects\t\t\t<\/a>\n\t\t<\/h3>\n\t\t\t\t<div class=\"elementor-post__excerpt\">\n\t\t\t<p>In an environment where the construction of infrastructure increasingly demands more efficient and sustainable solutions, microtunneling<\/p>\n\t\t<\/div>\n\t\t\n\t\t<a class=\"elementor-post__read-more\" href=\"https:\/\/eurohinca.com\/en\/ventajas-competitivas-del-microtunneling-en-proyectos-de-infraestructura\/\" aria-label=\"Read more about Competitive advantages of microtunneling in infrastructure projects\" tabindex=\"-1\" >\n\t\t\tRead more \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t<\/article>\n\t\t\t\t<article class=\"elementor-post elementor-grid-item post-3833 post type-post status-publish format-standard has-post-thumbnail hentry category-escudo-abierto category-escudo-cerrado category-hinca-de-tuberia category-informacion\" role=\"listitem\">\n\t\t\t\t<a class=\"elementor-post__thumbnail__link\" href=\"https:\/\/eurohinca.com\/en\/de-la-hinca-de-tuberia-a-la-tuneladora-herramientas-clave-en-la-ejecucion-de-proyectos\/\" tabindex=\"-1\" >\n\t\t\t<div class=\"elementor-post__thumbnail\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"225\" src=\"https:\/\/eurohinca.com\/wp-content\/uploads\/2024\/02\/Hinca-de-tuberia-Estacion-intermedia-Pipe-Jacking-Intermediate-jacking-station-2-1.jpg\" class=\"attachment-medium size-medium wp-image-1821\" alt=\"Pipe jacking\" \/><\/div>\n\t\t<\/a>\n\t\t\t\t<div class=\"elementor-post__text\">\n\t\t\t\t<h3 class=\"elementor-post__title\">\n\t\t\t<a href=\"https:\/\/eurohinca.com\/en\/de-la-hinca-de-tuberia-a-la-tuneladora-herramientas-clave-en-la-ejecucion-de-proyectos\/\" >\n\t\t\t\tFrom pipe jacking to tunnel boring machine: Key tools in project execution\t\t\t<\/a>\n\t\t<\/h3>\n\t\t\t\t<div class=\"elementor-post__excerpt\">\n\t\t\t<p>In subway construction, the evolution of techniques and machinery is essential to carry out projects with quality, safety<\/p>\n\t\t<\/div>\n\t\t\n\t\t<a class=\"elementor-post__read-more\" href=\"https:\/\/eurohinca.com\/en\/de-la-hinca-de-tuberia-a-la-tuneladora-herramientas-clave-en-la-ejecucion-de-proyectos\/\" aria-label=\"Read more about From pipe jacking to tunnel boring machine: Key tools in project execution\" tabindex=\"-1\" >\n\t\t\tRead more \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t<\/article>\n\t\t\t\t<\/div>\n\t\t\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7296f3a e-flex e-con-boxed e-con e-parent\" data-id=\"7296f3a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f9d5f7e elementor-widget elementor-widget-heading\" data-id=\"f9d5f7e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Frequently asked questions on closed shield TBMs<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9f96c73 elementor-widget elementor-widget-text-editor\" data-id=\"9f96c73\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>We answer the most common questions about the use of closed-shield tunneling in various types of underground construction projects.<\/p><p><strong><a href=\"https:\/\/eurohinca.com\/en\/frequent-questions\/\">View all frequently asked questions<\/a><\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a1b2f05 elementor-widget elementor-widget-n-accordion\" data-id=\"a1b2f05\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;default_state&quot;:&quot;expanded&quot;,&quot;max_items_expended&quot;:&quot;one&quot;,&quot;n_accordion_animation_duration&quot;:{&quot;unit&quot;:&quot;ms&quot;,&quot;size&quot;:400,&quot;sizes&quot;:[]}}\" data-widget_type=\"nested-accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"e-n-accordion\" aria-label=\"Accordion. Open links with Enter or Space, close with Escape, and navigate with Arrow Keys\">\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1690\" class=\"e-n-accordion-item\" open>\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"1\" tabindex=\"0\" aria-expanded=\"true\" aria-controls=\"e-n-accordion-item-1690\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> What are closed shield TBMs? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1690\" class=\"elementor-element elementor-element-4d5dcc2 e-con-full e-flex e-con e-child\" data-id=\"4d5dcc2\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4ea8634 elementor-widget elementor-widget-text-editor\" data-id=\"4ea8634\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Closed shield tunnel boring machines are machines used in tunnel excavation. These tunnel boring machines, such as the Hydroshield and EPB, are designed to stabilize the ground and handle different ground conditions, providing safety and efficiency during subway construction.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1691\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"2\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1691\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> What is the difference between Hydroshield and EPB? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1691\" class=\"elementor-element elementor-element-e9c08dd e-con-full e-flex e-con e-child\" data-id=\"e9c08dd\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2a1f611 elementor-widget elementor-widget-text-editor\" data-id=\"2a1f611\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Hydroshield TBMs are ideal for soils with high water pressure, providing a shield against seepage. EPB (Earth Pressure Balancing) TBMs are suitable for mixed and soft soils, balancing soil pressure and avoiding collapse.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1692\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"3\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1692\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> In which projects are closed shield TBMs used? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1692\" class=\"elementor-element elementor-element-94e194a e-con-full e-flex e-con e-child\" data-id=\"94e194a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9c7be64 elementor-widget elementor-widget-text-editor\" data-id=\"9c7be64\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Closed shield TBMs are used in a variety of subway projects, including submarine outfalls, vertical shafts, and segmental tunnels. They are essential in the construction of subway infrastructure in urban and rural areas.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1693\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"4\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1693\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> What are the advantages of using closed shield TBMs? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1693\" class=\"elementor-element elementor-element-91277f3 e-con-full e-flex e-con e-child\" data-id=\"91277f3\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-026b8a1 elementor-widget elementor-widget-text-editor\" data-id=\"026b8a1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Advantages include safe and efficient excavation, the ability to handle different soil types, and minimized ground disruption. These TBMs ensure tunnel stability and environmental protection during construction.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1694\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"5\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1694\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> How does Eurohinca ensure the quality of its projects? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1694\" class=\"elementor-element elementor-element-2549336 e-con-full e-flex e-con e-child\" data-id=\"2549336\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2a732c1 elementor-widget elementor-widget-text-editor\" data-id=\"2a732c1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Eurohinca has more than 20 years of experience and has completed more than 240 projects internationally. It uses advanced technology and specialized equipment, ensuring the precise and efficient execution of tunnels, with a focus on safety and quality.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1695\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"6\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1695\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Is it possible to use these tunnel boring machines in urban projects? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1695\" class=\"elementor-element elementor-element-12940c3 e-con-full e-flex e-con e-child\" data-id=\"12940c3\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1de3ba4 elementor-widget elementor-widget-text-editor\" data-id=\"1de3ba4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Yes, closed shield TBMs are ideal for urban projects because of their ability to excavate in a controlled and safe manner in densely populated areas, minimizing surface disruption and impact.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0434fee elementor-widget elementor-widget-text-editor\" data-id=\"0434fee\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Solve your doubts in our section of <strong><a href=\"https:\/\/eurohinca.com\/en\/frequent-questions\/\">frequent questions<\/a><\/strong>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-90dce73 elementor-widget elementor-widget-spacer\" data-id=\"90dce73\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Tuneladoras de escudo cerrado Eurohinca (Europea de Hincas Teledirigidas, S.A.), especialista SIN zanja desde 1996 \u2014 14 tuneladoras y &gt;120 km ejecutados. Operamos tuneladoras de escudo cerrado (EPB\/hidroescudo) para cruces y t\u00faneles de servicio con control de presi\u00f3n, alineaci\u00f3n y estanqueidad. Ver escudo cerrado (EPB), hidroescudo, t\u00fanel de dovela y microt\u00fanel (MTBM) \u2014 soporte de [&hellip;]<\/p>\n","protected":false},"author":80,"featured_media":2477,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"elementor_header_footer","meta":{"footnotes":""},"class_list":["post-2568","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Tuneladoras de escudo cerrado: Hidroescudo y EPB - Eurohinca<\/title>\n<meta name=\"description\" content=\"Eurohinca utiliza tuneladoras de escudo cerrado, como Hidroescudo y EPB, para construir t\u00faneles con precisi\u00f3n y eficiencia.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/eurohinca.com\/en\/closed-shield-tunnel-boring-machines\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Tuneladoras de escudo cerrado: Hidroescudo y EPB - Eurohinca\" \/>\n<meta property=\"og:description\" content=\"Eurohinca utiliza tuneladoras de escudo cerrado, como Hidroescudo y EPB, para construir t\u00faneles con precisi\u00f3n y eficiencia.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/eurohinca.com\/en\/closed-shield-tunnel-boring-machines\/\" \/>\n<meta property=\"og:site_name\" content=\"Eurohinca\" \/>\n<meta property=\"article:modified_time\" content=\"2026-03-12T09:59:18+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/eurohinca.com\/wp-content\/uploads\/2024\/07\/escudo-cerrado.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1000\" \/>\n\t<meta property=\"og:image:height\" content=\"600\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"10 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/eurohinca.com\\\/tuneladoras-de-escudo-cerrado\\\/\",\"url\":\"https:\\\/\\\/eurohinca.com\\\/tuneladoras-de-escudo-cerrado\\\/\",\"name\":\"Tuneladoras de escudo cerrado: Hidroescudo y EPB - 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