{"id":711,"date":"2024-02-02T06:57:31","date_gmt":"2024-02-02T06:57:31","guid":{"rendered":"https:\/\/eurohinca.es\/?page_id=711"},"modified":"2026-03-12T10:41:30","modified_gmt":"2026-03-12T10:41:30","slug":"open-shield","status":"publish","type":"page","link":"https:\/\/eurohinca.com\/en\/escudo-abierto\/","title":{"rendered":"Open shield"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"711\" class=\"elementor elementor-711\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0aa3d63 e-flex e-con-boxed e-con e-parent\" data-id=\"0aa3d63\" 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-03ece9a elementor-widget elementor-widget-heading\" data-id=\"03ece9a\" 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\">Open 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-ed8bac2 elementor-widget elementor-widget-text-editor\" data-id=\"ed8bac2\" 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><p>The <strong>open shield<\/strong> is ideal in competent rock and granular soils with low water pressure: high performance and precise layout in crossings and service tunnels.<br \/>See <a style=\"color: #fff; text-decoration: underline;\" href=\"\/en\/voussoir-tunnel\/\" target=\"_blank\" rel=\"noopener\">segment tunnel<\/a>, <a style=\"color: #fff; text-decoration: underline;\" href=\"\/en\/pipe-jacking-2\/\" target=\"_blank\" rel=\"noopener\">pipe ramming<\/a>, <a style=\"color: #fff; text-decoration: underline;\" href=\"\/en\/choice-of-tunnel-boring-machine\/\" target=\"_blank\" rel=\"noopener\">choice of tunnel boring machine<\/a>, <a style=\"color: #fff; text-decoration: underline;\" href=\"\/en\/technical-assistance-and-engineering\/\" target=\"_blank\" rel=\"noopener\">technical assistance and engineering<\/a> y\u00a0<a style=\"color: #fff; text-decoration: underline;\" href=\"\/en\/works\/\" target=\"_blank\" rel=\"noopener\">references<\/a>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a5548a7 e-grid e-con-full e-con e-child\" data-id=\"a5548a7\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ed5216a elementor-align-right elementor-mobile-align-center elementor-widget elementor-widget-button\" data-id=\"ed5216a\" 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-21878aa elementor-align-left elementor-mobile-align-center elementor-widget elementor-widget-button\" data-id=\"21878aa\" 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-b638249 e-con-full e-flex e-con e-parent\" data-id=\"b638249\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-d112394 e-grid e-con-boxed e-con e-child\" data-id=\"d112394\" 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-b93207b e-flex e-con-boxed e-con e-child\" data-id=\"b93207b\" 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-e1b0fb1 e-flex e-con-boxed e-con e-child\" data-id=\"e1b0fb1\" 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-4925222 elementor-widget elementor-widget-image\" data-id=\"4925222\" 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\/08\/tuneladora-escudo-abierto.jpg\" class=\"attachment-large size-large wp-image-2706\" alt=\"open shield tunnel boring machine\" srcset=\"https:\/\/eurohinca.com\/wp-content\/uploads\/2024\/08\/tuneladora-escudo-abierto.jpg 1000w, https:\/\/eurohinca.com\/wp-content\/uploads\/2024\/08\/tuneladora-escudo-abierto-300x180.jpg 300w, https:\/\/eurohinca.com\/wp-content\/uploads\/2024\/08\/tuneladora-escudo-abierto-768x461.jpg 768w, https:\/\/eurohinca.com\/wp-content\/uploads\/2024\/08\/tuneladora-escudo-abierto-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-b705f03 e-flex e-con-boxed e-con e-child\" data-id=\"b705f03\" 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-837d14f elementor-widget elementor-widget-heading\" data-id=\"837d14f\" 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\">Execution of open 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-767bee8 elementor-widget elementor-widget-text-editor\" data-id=\"767bee8\" 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=\"895\" data-end=\"1208\">At EUROHINCA we use <strong data-start=\"919\" data-end=\"952\">open shield tunnel boring machines<\/strong> in projects where the type of terrain allows excavation without the need to pressurize the face. This method allows direct visibility of the excavation face, which facilitates technical decision making in the field, ideal for stable or rocky environments.<\/p><p data-start=\"1210\" data-end=\"1493\">Thanks to its versatility, this technology is used in projects such as <strong><a class=\"decorated-link cursor-pointer\" href=\"https:\/\/eurohinca.com\/en\/infrastructure-crossings\/\" target=\"_new\" rel=\"noopener\" data-start=\"1281\" data-end=\"1363\">infrastructure crossings<\/a><\/strong> o <strong><a class=\"decorated-link cursor-pointer\" href=\"https:\/\/eurohinca.com\/en\/urban-sewage-systems\/\" target=\"_new\" rel=\"noopener\" data-start=\"1366\" data-end=\"1462\">urban sewage systems<\/a><\/strong>, optimizing time and costs.<\/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-d2da780 e-con-full e-flex e-con e-parent\" data-id=\"d2da780\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-da92a75 e-grid e-con-boxed e-con e-child\" data-id=\"da92a75\" 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-75f986f e-flex e-con-boxed e-con e-child\" data-id=\"75f986f\" 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-2a9c910 e-flex e-con-boxed e-con e-child\" data-id=\"2a9c910\" 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-232d42f elementor-widget elementor-widget-heading\" data-id=\"232d42f\" 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\">Open shield excavation process<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0224ea1 elementor-widget elementor-widget-text-editor\" data-id=\"0224ea1\" 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=\"1563\" data-end=\"1827\">During the excavation process, the open shield is precisely guided by means of alignment systems, pushing and extraction of the material by belts or wagons. It is a safe and adaptable technique that guarantees efficiency in sections with low risk of instability.<\/p><p data-start=\"1829\" data-end=\"2031\">In longer or more complex sections, it can be combined with solutions such as <strong><a class=\"decorated-link cursor-pointer\" href=\"https:\/\/eurohinca.com\/en\/technical-assistance-and-engineering\/\" target=\"_new\" rel=\"noopener\" data-start=\"1900\" data-end=\"1983\">intermediate stations<\/a><\/strong> or auxiliary methods of trajectory control.<\/p><blockquote data-start=\"2033\" data-end=\"2199\"><p data-start=\"2035\" data-end=\"2199\">\ud83d\udcd8 See also the <strong><a class=\"decorated-link cursor-pointer\" href=\"https:\/\/www.ita-aites.org\/\" target=\"_new\" rel=\"noopener\" data-start=\"2058\" data-end=\"2171\">ITA international handbook on trenchless technologies<\/a><\/strong> for more technical details.<\/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-0a55785 e-flex e-con-boxed e-con e-child\" data-id=\"0a55785\" 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-4dde1a8 elementor-widget elementor-widget-image\" data-id=\"4dde1a8\" 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\/08\/hinca-con-escudo-abierto.jpg\" class=\"attachment-large size-large wp-image-2707\" alt=\"open shield drive\" srcset=\"https:\/\/eurohinca.com\/wp-content\/uploads\/2024\/08\/hinca-con-escudo-abierto.jpg 1000w, https:\/\/eurohinca.com\/wp-content\/uploads\/2024\/08\/hinca-con-escudo-abierto-300x180.jpg 300w, https:\/\/eurohinca.com\/wp-content\/uploads\/2024\/08\/hinca-con-escudo-abierto-768x461.jpg 768w, https:\/\/eurohinca.com\/wp-content\/uploads\/2024\/08\/hinca-con-escudo-abierto-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-319b4fc e-flex e-con-boxed e-con e-parent\" data-id=\"319b4fc\" 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-e08d2db elementor-widget elementor-widget-text-editor\" data-id=\"e08d2db\" 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=\"537\" data-end=\"589\"><strong data-start=\"537\" data-end=\"589\">Open shield service specifications<\/strong><\/h2><p data-start=\"591\" data-end=\"870\">The open shield is a suitable solution for the excavation of microtunnels and galleries when the ground is sufficiently stable to maintain the face without the need for pressurized support. Its design and operation are defined by the following technical parameters:<\/p><p data-start=\"872\" data-end=\"1160\">\u2022 <strong data-start=\"874\" data-end=\"903\">Main applications:<\/strong> Microtunnels in competent rock, cemented gravels or very stable soils; urban or interurban crossings where face pressurization is not required; and operations where direct visibility or personnel front access is advantageous.<\/p><p data-start=\"1162\" data-end=\"1418\">\u2022 <strong data-start=\"1164\" data-end=\"1203\">Compatible land conditions:<\/strong> Good quality rock, firm cohesive soils or materials with low tendency to crumble. Not for use in loose, saturated soils or soils with high water tables, where EPB or hydro-shielding is required.<\/p><p data-start=\"1420\" data-end=\"1643\">\u2022 <strong data-start=\"1422\" data-end=\"1459\">Diameters and feed lengths:<\/strong> Suitable for microtunnel diameters or small section tunnels, with lengths depending on the thrust system, ground resistance and support configuration.<\/p><p data-start=\"1645\" data-end=\"1946\">\u2022 <strong data-start=\"1647\" data-end=\"1671\">Construction method:<\/strong> Frontal excavation in open chamber, with the option of using mechanical cutting tools, hydraulic hammers or specific tools for rock. The advance is accompanied by the hydraulic thrust from the attack shaft and guidance by means of topographic or gyroscopic instruments.<\/p><p data-start=\"1948\" data-end=\"2159\">\u2022 <strong data-start=\"1950\" data-end=\"1985\">Removal of excavated material:<\/strong> Extraction by augers, buckets or mechanical systems depending on the nature of the ground. In rock, buckets or internal handling equipment can be used.<\/p><p data-start=\"2161\" data-end=\"2392\">\u2022 <strong data-start=\"2163\" data-end=\"2206\">Temporary support and coating:<\/strong> Depending on the project, the tunnel can be lined by means of a driven pipe (traditional ramming) or shoring and support systems according to the structural needs of the crossing.<\/p><p data-start=\"2394\" data-end=\"2618\">\u2022 <strong data-start=\"2396\" data-end=\"2433\">Civil works prerequisites:<\/strong> Construction of attack and reception shafts with adequate dimensions to house the shield, thrust systems, cutting tools, material extraction and auxiliary equipment.<\/p><p data-start=\"2620\" data-end=\"2871\">\u2022 <strong data-start=\"2622\" data-end=\"2657\">Quality control and safety:<\/strong> Supervision of face stability, thrust and torque logging, alignment control, proper ventilation, safe chamber access protocols and final verification of casing layout and condition.<\/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-6e7caa9 e-flex e-con-boxed e-con e-parent\" data-id=\"6e7caa9\" 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-6f03a6d elementor-widget elementor-widget-heading\" data-id=\"6f03a6d\" 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-e96600e elementor-widget elementor-widget-text-editor\" data-id=\"e96600e\" 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>Contractors, engineering companies and public entities highlight EUROHINCA's reliability and performance in open shield execution, even in complex logistical conditions.<\/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-e5d66dc elementor-widget elementor-widget-shortcode\" data-id=\"e5d66dc\" 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=\"13.2.9\" data-layout-id=\"13\" data-layout-category=\"slider\" data-set-id=\"drop-shadow\" data-pid=\"\" data-language=\"es\" 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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-id=\"cfcd208495d565ef66e7dff9f98764da\"> <div class=\"ti-inner\"> <div class=\"ti-review-header\"> <div class=\"ti-platform-icon ti-with-tooltip\"> <span class=\"ti-tooltip\">Publicado en <\/span> <trustindex-image data-imgurl=\"https:\/\/cdn.trustindex.io\/assets\/platform\/Google\/icon.svg\" alt=\"\" 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-id=\"cfcd208495d565ef66e7dff9f98764da\"> <div class=\"ti-inner\"> <div class=\"ti-review-header\"> <div class=\"ti-platform-icon ti-with-tooltip\"> <span class=\"ti-tooltip\">Publicado en <\/span> <trustindex-image data-imgurl=\"https:\/\/cdn.trustindex.io\/assets\/platform\/Google\/icon.svg\" alt=\"\" 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-id=\"cfcd208495d565ef66e7dff9f98764da\"> <div class=\"ti-inner\"> <div class=\"ti-review-header\"> <div class=\"ti-platform-icon ti-with-tooltip\"> <span class=\"ti-tooltip\">Publicado en <\/span> <trustindex-image data-imgurl=\"https:\/\/cdn.trustindex.io\/assets\/platform\/Google\/icon.svg\" alt=\"\" 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-id=\"cfcd208495d565ef66e7dff9f98764da\"> <div class=\"ti-inner\"> <div class=\"ti-review-header\"> <div class=\"ti-platform-icon ti-with-tooltip\"> <span class=\"ti-tooltip\">Publicado en <\/span> <trustindex-image data-imgurl=\"https:\/\/cdn.trustindex.io\/assets\/platform\/Google\/icon.svg\" alt=\"\" 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-id=\"cfcd208495d565ef66e7dff9f98764da\"> <div class=\"ti-inner\"> <div class=\"ti-review-header\"> <div class=\"ti-platform-icon ti-with-tooltip\"> <span class=\"ti-tooltip\">Publicado en <\/span> <trustindex-image data-imgurl=\"https:\/\/cdn.trustindex.io\/assets\/platform\/Google\/icon.svg\" alt=\"\" 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-id=\"cfcd208495d565ef66e7dff9f98764da\"> <div class=\"ti-inner\"> <div class=\"ti-review-header\"> <div class=\"ti-platform-icon ti-with-tooltip\"> <span class=\"ti-tooltip\">Publicado en <\/span> <trustindex-image data-imgurl=\"https:\/\/cdn.trustindex.io\/assets\/platform\/Google\/icon.svg\" alt=\"\" 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-id=\"cfcd208495d565ef66e7dff9f98764da\"> <div class=\"ti-inner\"> <div class=\"ti-review-header\"> <div class=\"ti-platform-icon ti-with-tooltip\"> <span class=\"ti-tooltip\">Publicado en <\/span> <trustindex-image data-imgurl=\"https:\/\/cdn.trustindex.io\/assets\/platform\/Google\/icon.svg\" alt=\"\" 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?1776223685\"><\/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-9a42b76 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"9a42b76\" 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-cab2dd6\" data-id=\"cab2dd6\" 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-c8a1ad3 elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"c8a1ad3\" 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-bad31b7 elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"bad31b7\" 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-9dc550d elementor-widget elementor-widget-text-editor\" data-id=\"9dc550d\" 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-02a1fce elementor-widget elementor-widget-image\" data-id=\"02a1fce\" 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 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-3e60cb5 e-flex e-con-boxed e-con e-parent\" data-id=\"3e60cb5\" 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-d232781 elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"d232781\" 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\">Open shield: quick response<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-17ca6d3 e-con-full e-flex e-con e-child\" data-id=\"17ca6d3\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-97d52ff e-con-full e-flex e-con e-child\" data-id=\"97d52ff\" 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-0eb50ac elementor-widget elementor-widget-text-editor\" data-id=\"0eb50ac\" 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=\"29\">What is an open shield<\/h2><p data-start=\"30\" data-end=\"387\">A <strong data-start=\"33\" data-end=\"51\">open shield<\/strong> is a type of TBM\/microtunneling machine in which the excavation face works in an \u201copen\u201d way, and the choice of equipment is related to the ground conditions and project constraints. For the general selection framework, it can help you <strong data-start=\"311\" data-end=\"386\"><a class=\"decorated-link\" href=\"https:\/\/eurohinca.com\/en\/choice-of-tunnel-boring-machine\/\" target=\"_new\" rel=\"noopener\" data-start=\"313\" data-end=\"384\">choice of tunnel boring machine<\/a><\/strong>.<\/p><h2 data-start=\"389\" data-end=\"411\">When to use<\/h2><p data-start=\"412\" data-end=\"729\">It is used when the project and the terrain allow working with an open front and the construction approach is compatible with the layout and environment constraints. To compare with other families of equipment, please review <strong data-start=\"636\" data-end=\"728\"><a class=\"decorated-link\" href=\"https:\/\/eurohinca.com\/en\/closed-shield-tunnel-boring-machines\/\" target=\"_new\" rel=\"noopener\" data-start=\"638\" data-end=\"726\">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-0a3b8ca e-con-full e-flex e-con e-child\" data-id=\"0a3b8ca\" 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-e964684 elementor-widget elementor-widget-text-editor\" data-id=\"e964684\" 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=\"731\" data-end=\"747\">Key data<\/h2><ul data-start=\"748\" data-end=\"1038\"><li data-start=\"748\" data-end=\"840\"><p data-start=\"750\" data-end=\"840\">Preliminary layout and environmental conditions (crossings, access, occupation, services).<\/p><\/li><li data-start=\"841\" data-end=\"939\"><p data-start=\"843\" data-end=\"939\">Soil information available (geotechnical or references) and presence of water if known.<\/p><\/li><li data-start=\"940\" data-end=\"1038\"><p data-start=\"942\" data-end=\"1038\">Purpose of the section (type of infrastructure to be executed) and relevant project restrictions.<\/p><\/li><\/ul><h2 data-start=\"1040\" data-end=\"1068\">Recommended information<\/h2><ul data-start=\"1069\" data-end=\"1539\"><li data-start=\"1069\" data-end=\"1138\"><p data-start=\"1071\" data-end=\"1138\">Longitudinal profile and singular points of the layout (if any).<\/p><\/li><li data-start=\"1139\" data-end=\"1392\"><p data-start=\"1141\" data-end=\"1392\">Criteria for equipment selection based on typical conditions: <strong data-start=\"1209\" data-end=\"1264\"><a class=\"decorated-link\" href=\"https:\/\/eurohinca.com\/en\/closed-shield-epb\/\" target=\"_new\" rel=\"noopener\" data-start=\"1211\" data-end=\"1262\">EPB<\/a><\/strong> y <strong data-start=\"1267\" data-end=\"1338\"><a class=\"decorated-link\" href=\"https:\/\/eurohinca.com\/en\/closed-shield-hydroshield\/\" target=\"_new\" rel=\"noopener\" data-start=\"1269\" data-end=\"1336\">hydro shield<\/a><\/strong> as closed shield alternatives, as the case may be.<\/p><\/li><li data-start=\"1393\" data-end=\"1539\"><p data-start=\"1395\" data-end=\"1539\">If the project is framed in crossroads, it can provide context <strong data-start=\"1455\" data-end=\"1538\"><a class=\"decorated-link\" href=\"https:\/\/eurohinca.com\/en\/infrastructure-crossings\/\" target=\"_new\" rel=\"noopener\" data-start=\"1457\" data-end=\"1536\">infrastructure 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-e50c62a e-flex e-con-boxed e-con e-parent\" data-id=\"e50c62a\" 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-2564dc7 elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"2564dc7\" 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-0095c18 elementor-widget elementor-widget-text-editor\" data-id=\"0095c18\" 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>Looking for an economical and reliable solution to excavate without affecting the surface?<\/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-3f04ad6 elementor-widget elementor-widget-text-editor\" data-id=\"3f04ad6\" 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 help you to assess whether the open shield is the most suitable option for your site.<\/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-34fe6a9 e-flex e-con-boxed e-con e-parent\" data-id=\"34fe6a9\" 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-83f4a30 elementor-widget elementor-widget-spacer\" data-id=\"83f4a30\" 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-45850e1 elementor-widget elementor-widget-heading\" data-id=\"45850e1\" 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-7fbffdb elementor-widget elementor-widget-text-editor\" data-id=\"7fbffdb\" 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><a href=\"https:\/\/eurohinca.com\/en\/eurohinca-news\/\">See more articles in our news section<\/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-7ff0681 elementor-grid-3 elementor-grid-tablet-2 elementor-grid-mobile-1 elementor-posts--thumbnail-top elementor-widget elementor-widget-posts\" data-id=\"7ff0681\" 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-3934 post type-post status-publish format-standard has-post-thumbnail hentry category-escudo-abierto category-informacion\" role=\"listitem\">\n\t\t\t\t<a class=\"elementor-post__thumbnail__link\" href=\"https:\/\/eurohinca.com\/en\/escudos-abiertos-en-suelos-rocosos-estrategias-para-minimizar-fractura\/\" tabindex=\"-1\" >\n\t\t\t<div class=\"elementor-post__thumbnail\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"180\" src=\"https:\/\/eurohinca.com\/wp-content\/uploads\/2024\/08\/tuneladora-escudo-abierto-300x180.jpg\" class=\"attachment-medium size-medium wp-image-2706\" alt=\"open shield tunnel boring machine\" srcset=\"https:\/\/eurohinca.com\/wp-content\/uploads\/2024\/08\/tuneladora-escudo-abierto-300x180.jpg 300w, https:\/\/eurohinca.com\/wp-content\/uploads\/2024\/08\/tuneladora-escudo-abierto-768x461.jpg 768w, https:\/\/eurohinca.com\/wp-content\/uploads\/2024\/08\/tuneladora-escudo-abierto-18x12.jpg 18w, https:\/\/eurohinca.com\/wp-content\/uploads\/2024\/08\/tuneladora-escudo-abierto.jpg 1000w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/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\/escudos-abiertos-en-suelos-rocosos-estrategias-para-minimizar-fractura\/\" >\n\t\t\t\tOpen shields in rocky soils: strategies to minimize fracturing\t\t\t<\/a>\n\t\t<\/h3>\n\t\t\t\t<div class=\"elementor-post__excerpt\">\n\t\t\t<p>Working with open shields in rock massifs combines the most demanding cutting mechanics with the advantage of being able to evacuate<\/p>\n\t\t<\/div>\n\t\t\n\t\t<a class=\"elementor-post__read-more\" href=\"https:\/\/eurohinca.com\/en\/escudos-abiertos-en-suelos-rocosos-estrategias-para-minimizar-fractura\/\" aria-label=\"Read more about Open shields in rocky soils: strategies to minimize fracturing\" 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-7743726 e-flex e-con-boxed e-con e-parent\" data-id=\"7743726\" 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-3d63299 elementor-widget elementor-widget-heading\" data-id=\"3d63299\" 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 about open 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-1c2af51 elementor-widget elementor-widget-text-editor\" data-id=\"1c2af51\" 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 your most frequent questions about this type of technology, its practical application and technical benefits.<\/p><p><strong> <a class=\"decorated-link cursor-pointer\" href=\"https:\/\/eurohinca.com\/en\/frequent-questions\/\" target=\"_new\" rel=\"noopener\" data-start=\"3643\" data-end=\"3727\">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-81189df elementor-widget elementor-widget-n-accordion\" data-id=\"81189df\" 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-1350\" 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-1350\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> What is an open shield ramming? <\/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-1350\" class=\"elementor-element elementor-element-35b22d7 e-con-full e-flex e-con e-child\" data-id=\"35b22d7\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-bb1c3c1 elementor-widget elementor-widget-text-editor\" data-id=\"bb1c3c1\" 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>Open shield drilling is an excavation technique in which a specialized shield is used to drill into the ground. The shield is equipped with a drilling element adapted to the type of ground, such as a bucket, miner or pickaxe, and allows excavations to be carried out in a controlled and safe manner.<\/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-1351\" 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-1351\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> How to select the type of drilling element for the shield? <\/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-1351\" class=\"elementor-element elementor-element-3934776 e-con-full e-flex e-con e-child\" data-id=\"3934776\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5ec369b elementor-widget elementor-widget-text-editor\" data-id=\"5ec369b\" 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>The type of drilling element is selected according to the characteristics of the ground to be excavated. It is chosen between bucket, miner, pickaxe, among others, depending on factors such as the hardness of the soil, the presence of rocks or the composition of the ground, to ensure effective drilling.<\/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-1352\" 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-1352\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> How is the extraction of material during excavation performed? <\/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-1352\" class=\"elementor-element elementor-element-6c10cc1 e-con-full e-flex e-con e-child\" data-id=\"6c10cc1\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7ac3d09 elementor-widget elementor-widget-text-editor\" data-id=\"7ac3d09\" 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>The extraction of material is carried out by using wagons that transport the excavated material out of the work area. The shield advances as the wagons are filled and removed, maintaining a continuous flow of material and avoiding excessive accumulation in the excavation area.<\/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-1353\" 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-1353\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> What technologies are used to guide the shield during excavation? <\/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-1353\" class=\"elementor-element elementor-element-4dcd9cb e-con-full e-flex e-con e-child\" data-id=\"4dcd9cb\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e8e46fb elementor-widget elementor-widget-text-editor\" data-id=\"e8e46fb\" 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>Guidance cylinders are used to guide the shield, allowing the direction of the shield to be precisely adjusted. In addition, a laser system is used to hit a target and levels to indicate the trend of the excavation, ensuring that the shield remains aligned and in the correct direction.<\/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-1354\" 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-1354\" >\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 an open shield in excavation? <\/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-1354\" class=\"elementor-element elementor-element-c8fd76d e-con-full e-flex e-con e-child\" data-id=\"c8fd76d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-00995e4 elementor-widget elementor-widget-text-editor\" data-id=\"00995e4\" 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>The use of an open shield allows for efficient and controlled excavation, adapting to different types of terrain and minimizing the impact on the environment. The technique provides greater stability during excavation, reduces the risk of collapse and allows work to be carried out safely in urban or congested environments.<\/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-1355\" 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-1355\" >\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 main challenges of using the open shield technique? <\/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-1355\" class=\"elementor-element elementor-element-5eb74d2 e-con-full e-flex e-con e-child\" data-id=\"5eb74d2\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7733185 elementor-widget elementor-widget-text-editor\" data-id=\"7733185\" 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>The main challenges include the need for accurate selection of the drilling element according to the terrain, managing the stability of the surrounding ground and coordinating the material removal process. In addition, the technique requires rigorous control through guidance technologies to maintain accuracy during excavation.<\/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-17ea896 elementor-widget elementor-widget-text-editor\" data-id=\"17ea896\" 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-af046f0 elementor-widget elementor-widget-spacer\" data-id=\"af046f0\" 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 abierto Eurohinca (Europea de Hincas Teledirigidas, S.A.), especialista SIN zanja desde 1996 \u2014 14 tuneladoras y &gt;120 km ejecutados. El escudo abierto es id\u00f3neo en roca competente y suelos granulares con baja presi\u00f3n de agua: alto rendimiento y trazado preciso en cruces y t\u00faneles de servicio.Ver t\u00fanel de dovelas, hinca de tuber\u00eda, [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":281,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-711","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>Tuneladora de escudo abierto - Eurohinca<\/title>\n<meta name=\"description\" content=\"Eurohinca ofrece t\u00faneladoras de escudo abierto para excavaciones eficientes y seguras, adaptadas a diferentes tipos de terreno.\" \/>\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\/open-shield\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Tuneladora de escudo abierto - Eurohinca\" \/>\n<meta property=\"og:description\" content=\"Eurohinca ofrece t\u00faneladoras de escudo abierto para excavaciones eficientes y seguras, adaptadas a diferentes tipos de terreno.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/eurohinca.com\/en\/open-shield\/\" \/>\n<meta property=\"og:site_name\" content=\"Eurohinca\" \/>\n<meta property=\"article:modified_time\" content=\"2026-03-12T10:41:30+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/eurohinca.com\/wp-content\/uploads\/2024\/01\/ESCUDO-ABIERTO.-EL-CANAVERAL.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"692\" \/>\n\t<meta property=\"og:image:height\" content=\"519\" \/>\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=\"7 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/eurohinca.com\\\/escudo-abierto\\\/\",\"url\":\"https:\\\/\\\/eurohinca.com\\\/escudo-abierto\\\/\",\"name\":\"Tuneladora de escudo abierto - Eurohinca\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/eurohinca.com\\\/es\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/eurohinca.com\\\/escudo-abierto\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/eurohinca.com\\\/escudo-abierto\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/eurohinca.com\\\/wp-content\\\/uploads\\\/2024\\\/01\\\/ESCUDO-ABIERTO.-EL-CANAVERAL.jpg\",\"datePublished\":\"2024-02-02T06:57:31+00:00\",\"dateModified\":\"2026-03-12T10:41:30+00:00\",\"description\":\"Eurohinca ofrece t\u00faneladoras de escudo abierto para excavaciones eficientes y seguras, adaptadas a diferentes tipos de terreno.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/eurohinca.com\\\/escudo-abierto\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/eurohinca.com\\\/escudo-abierto\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/eurohinca.com\\\/escudo-abierto\\\/#primaryimage\",\"url\":\"https:\\\/\\\/eurohinca.com\\\/wp-content\\\/uploads\\\/2024\\\/01\\\/ESCUDO-ABIERTO.-EL-CANAVERAL.jpg\",\"contentUrl\":\"https:\\\/\\\/eurohinca.com\\\/wp-content\\\/uploads\\\/2024\\\/01\\\/ESCUDO-ABIERTO.-EL-CANAVERAL.jpg\",\"width\":692,\"height\":519,\"caption\":\"Escudo Abierto. 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