{"id":4242,"date":"2025-08-08T10:56:24","date_gmt":"2025-08-08T10:56:24","guid":{"rendered":"https:\/\/eurohinca.com\/?p=4242"},"modified":"2025-08-11T06:32:16","modified_gmt":"2025-08-11T06:32:16","slug":"what-criteria-determine-the-maximum-diameter-that-a-microtunnel-can-reach","status":"publish","type":"post","link":"https:\/\/eurohinca.com\/en\/que-criterios-determinan-el-diametro-maximo-que-puede-alcanzar-un-microtunel\/","title":{"rendered":"What criteria determine the maximum diameter that a microtunnel can reach?"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"4242\" class=\"elementor elementor-4242\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d6327ef e-flex e-con-boxed e-con e-parent\" data-id=\"d6327ef\" 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-0d3dfe2 elementor-widget elementor-widget-text-editor\" data-id=\"0d3dfe2\" 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=\"299\" data-end=\"412\">The <strong data-start=\"302\" data-end=\"338\">maximum diameter of a microtunnel<\/strong> is established after a technical analysis that evaluates several key factors:<\/p><ol data-start=\"414\" data-end=\"2099\"><li data-start=\"414\" data-end=\"827\"><p data-start=\"417\" data-end=\"827\"><strong data-start=\"417\" data-end=\"444\">Soil conditions<\/strong><br data-start=\"444\" data-end=\"447\" \/>The <strong data-start=\"453\" data-end=\"507\">soil or rock composition, hardness and stability<\/strong> directly influence the possible size. At Eurohinca we carry out detailed geotechnical studies prior to each construction site, as described in our page on <strong><a class=\"cursor-pointer\" href=\"https:\/\/eurohinca.com\/en\/what-is-microtunneling-and-what-are-its-main-applications\/\" target=\"_new\" rel=\"noopener\" data-start=\"673\" data-end=\"824\">what is microtunneling and its main applications?<\/a><\/strong>.<\/p><\/li><li data-start=\"829\" data-end=\"1162\"><p data-start=\"832\" data-end=\"1162\"><strong data-start=\"832\" data-end=\"862\">Machinery capacity<\/strong><br data-start=\"862\" data-end=\"865\" \/>The TBM must be adapted to the projected diameter. An example is the use of the <strong data-start=\"948\" data-end=\"970\">Hydroshield DN1200<\/strong> in the <strong><a class=\"cursor-pointer\" href=\"https:\/\/eurohinca.com\/en\/works\/microtunnel-in-arenao-curve\/\" target=\"_new\" rel=\"noopener\" data-start=\"977\" data-end=\"1071\">microtunnel in curve at El Arenao<\/a><\/strong>, where high-precision drilling was carried out in complex geological conditions.<\/p><\/li><li data-start=\"1164\" data-end=\"1346\"><p data-start=\"1167\" data-end=\"1346\"><strong data-start=\"1167\" data-end=\"1203\">Tunnel length and trajectory<\/strong><br data-start=\"1203\" data-end=\"1206\" \/>Long routes or those with reduced radii of curvature, such as that of the El Arenao project, may limit the technically feasible diameter.<\/p><\/li><li data-start=\"1348\" data-end=\"1623\"><p data-start=\"1351\" data-end=\"1623\"><strong data-start=\"1351\" data-end=\"1374\">Purpose of the tunnel<\/strong><br data-start=\"1374\" data-end=\"1377\" \/>The size is adapted to the intended use, whether it is for <strong><a class=\"cursor-pointer\" href=\"https:\/\/eurohinca.com\/en\/efficient-catchments-and-returns-for-aquaculture\/\" target=\"_new\" rel=\"noopener\" data-start=\"1429\" data-end=\"1559\">efficient catchments and returns for aquaculture<\/a><\/strong>, The following are some of the most important projects in the area.<\/p><\/li><li data-start=\"1625\" data-end=\"1819\"><p data-start=\"1628\" data-end=\"1819\"><strong data-start=\"1628\" data-end=\"1657\">Accessibility and logistics<\/strong><br data-start=\"1657\" data-end=\"1660\" \/>The space available for the wellbore and receiver, as well as the logistical conditions of the site, influence the maximum operating diameter.<\/p><\/li><li data-start=\"1821\" data-end=\"2099\"><p data-start=\"1824\" data-end=\"2099\"><strong data-start=\"1824\" data-end=\"1860\">Regulations and technical standards<\/strong><br data-start=\"1860\" data-end=\"1863\" \/>In addition to complying with national regulations, international guidelines are applied, such as those published by the <strong><a class=\"cursor-pointer\" href=\"https:\/\/istt.com\/\" target=\"_new\" rel=\"noopener\" data-start=\"1973\" data-end=\"2052\">International Society for Trenchless Technology (ISTT)<\/a><\/strong>, a world leader in trenchless technologies.<\/p><\/li><\/ol><p data-start=\"2101\" data-end=\"2325\">At <strong><a class=\"\" href=\"https:\/\/eurohinca.com\/en\/\" target=\"_new\" rel=\"noopener\" data-start=\"2104\" data-end=\"2139\">Eurohinca<\/a><\/strong> We combine experience, precision engineering and state-of-the-art technology to determine the optimum diameter of each microtunnel, guaranteeing safety and efficiency in every project.<\/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<\/div>","protected":false},"excerpt":{"rendered":"<p>El di\u00e1metro m\u00e1ximo de un microt\u00fanel se establece tras un an\u00e1lisis t\u00e9cnico que eval\u00faa varios factores clave: Condiciones del terrenoLa composici\u00f3n, dureza y estabilidad del suelo o roca influyen directamente en el tama\u00f1o posible. En Eurohinca realizamos estudios geot\u00e9cnicos detallados antes de cada obra, tal como se describe en nuestra p\u00e1gina sobre qu\u00e9 es el [&hellip;]<\/p>\n","protected":false},"author":80,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[146],"tags":[],"class_list":["post-4242","post","type-post","status-publish","format-standard","hentry","category-preguntas-frecuentes"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Di\u00e1metro m\u00e1ximo en microt\u00fanel: factores y criterios clave<\/title>\n<meta name=\"description\" content=\"Descubre qu\u00e9 factores t\u00e9cnicos y geot\u00e9cnicos determinan el di\u00e1metro m\u00e1ximo de un microt\u00fanel y c\u00f3mo se calcula en proyectos con microtuneladora.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, 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