{"id":2973,"date":"2023-01-11T15:34:51","date_gmt":"2023-01-11T14:34:51","guid":{"rendered":"https:\/\/pigra.es\/sin-categorizar\/tunnel-support\/"},"modified":"2023-11-15T12:41:23","modified_gmt":"2023-11-15T11:41:23","slug":"support","status":"publish","type":"post","link":"https:\/\/pigra.es\/en\/consultants\/construction\/tunnel\/support\/","title":{"rendered":"Tunnel Support"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"2973\" class=\"elementor elementor-2973 elementor-833\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-e8823c8 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"e8823c8\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-456ae18\" data-id=\"456ae18\" 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-ee5c9c8 elementor-widget elementor-widget-image\" data-id=\"ee5c9c8\" 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:\/\/pigra.es\/en\/\">\n\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"563\" height=\"237\" src=\"https:\/\/pigra.es\/wp-content\/uploads\/2022\/11\/logo-definitiu-pigra.jpg\" class=\"attachment-large size-large wp-image-2499\" alt=\"\" srcset=\"https:\/\/pigra.es\/wp-content\/uploads\/2022\/11\/logo-definitiu-pigra.jpg 563w, https:\/\/pigra.es\/wp-content\/uploads\/2022\/11\/logo-definitiu-pigra-300x126.jpg 300w\" sizes=\"(max-width: 563px) 100vw, 563px\" \/>\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<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-eca1d48\" data-id=\"eca1d48\" 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-f6b00be eael-simple-menu-hamburger-align-right eael-hamburger--tablet elementor-widget elementor-widget-eael-simple-menu\" data-id=\"f6b00be\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"eael-simple-menu.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<style>\n                        @media screen and (max-width: 1150px) {\n                            .eael-hamburger--tablet {\n                                .eael-simple-menu-horizontal,\n                                .eael-simple-menu-vertical {\n                                    display: none;\n                                }\n                            }\n                            .eael-hamburger--tablet {\n                                .eael-simple-menu-container .eael-simple-menu-toggle {\n                                    display: block;\n                                }\n                            }\n                        }\n                        .eael-simple-menu-container.eael-simple-menu--loading > ul {\n                            display: -webkit-box !important;\n                            display: -ms-flexbox !important;\n                            display: flex !important;\n                            list-style: none !important;\n                        }\n                        .eael-simple-menu-container.eael-simple-menu--loading li ul {\n                            visibility: hidden !important;\n                            opacity: 0 !important;\n                        }\n                    <\/style>            <div data-hamburger-icon=\"&lt;i aria-hidden=&quot;true&quot; class=&quot;fas fa-bars&quot;&gt;&lt;\/i&gt;\" data-indicator-icon=\"&lt;i aria-hidden=&quot;true&quot; class=&quot;fas fa-angle-down&quot;&gt;&lt;\/i&gt;\" data-dropdown-indicator-icon=\"&lt;i class=&quot;fas fa-angle-down&quot;&gt;&lt;\/i&gt;\" class=\"eael-simple-menu-container eael-simple-menu--loading eael-simple-menu-align-center eael-simple-menu-dropdown-align-left preset-2\" data-hamburger-breakpoints=\"{&quot;mobile&quot;:&quot;Mobile Portrait (&gt; 767px)&quot;,&quot;tablet&quot;:&quot;Tablet Portrait (&gt; 1150px)&quot;,&quot;desktop&quot;:&quot;Desktop (&gt; 2400px)&quot;,&quot;none&quot;:&quot;None&quot;}\" data-hamburger-device=\"tablet\">\n                <ul id=\"menu-silo-seo-menu-ingles\" class=\"eael-simple-menu eael-simple-menu-dropdown-animate-to-top eael-simple-menu-indicator eael-simple-menu-horizontal\"><li id=\"menu-item-3133\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-home menu-item-3133\"><a href=\"https:\/\/pigra.es\/en\/\">Home<\/a><\/li>\n<li id=\"menu-item-3146\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-3146\"><a href=\"https:\/\/pigra.es\/en\/ser1\/\">Pigra Services<\/a><\/li>\n<li id=\"menu-item-3134\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-3134\"><a href=\"https:\/\/pigra.es\/en\/customers\/\">Customers<\/a><\/li>\n<li id=\"menu-item-3135\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children menu-item-3135\"><a href=\"https:\/\/pigra.es\/en\/about-us\/\">About us<\/a>\n<ul class=\"sub-menu\">\n\t<li id=\"menu-item-3136\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-3136\"><a href=\"https:\/\/pigra.es\/en\/quality-and-ma\/\">Quality and Environment<\/a><\/li>\n\t<li id=\"menu-item-3137\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-3137\"><a href=\"https:\/\/pigra.es\/en\/rdi\/\">R+D+I<\/a><\/li>\n\t<li id=\"menu-item-3138\" class=\"menu-item menu-item-type-custom menu-item-object-custom menu-item-3138\"><a href=\"https:\/\/pigra.es\/wp-content\/uploads\/2023\/03\/91d9a9_91877af471c546d7b719e237dd293745.pdf\">Equality Plan<\/a><\/li>\n<\/ul>\n<\/li>\n<li id=\"menu-item-3147\" class=\"menu-item menu-item-type-custom menu-item-object-custom menu-item-home menu-item-3147\"><a href=\"https:\/\/pigra.es\/en\/#contacto\">Contact<\/a><\/li>\n<li id=\"menu-item-3139\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children menu-item-3139\"><a href=\"https:\/\/pigra.es\/en\/consultants\/\">Civil Engineering Consulting<\/a>\n<ul class=\"sub-menu\">\n\t<li id=\"menu-item-3140\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children menu-item-3140\"><a href=\"https:\/\/pigra.es\/en\/consultants\/construction\/\">Construction Consultants<\/a>\n\t<ul class=\"sub-menu\">\n\t\t<li id=\"menu-item-3141\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children menu-item-3141\"><a href=\"https:\/\/pigra.es\/en\/consultants\/construction\/tunnel\/\">Tunnel Construction<\/a>\n\t\t<ul class=\"sub-menu\">\n\t\t\t<li id=\"menu-item-3142\" class=\"menu-item menu-item-type-post_type menu-item-object-post menu-item-3142\"><a href=\"https:\/\/pigra.es\/en\/consultants\/construction\/tunnel\/support\/\">Tunnel Support<\/a><\/li>\n\t\t\t<li id=\"menu-item-4210\" class=\"menu-item menu-item-type-post_type menu-item-object-post menu-item-4210\"><a href=\"https:\/\/pigra.es\/en\/consultants\/construction\/tunnel\/directional-boring\/\">Trenchless Horizontal Boreholes<\/a><\/li>\n\t\t<\/ul>\n<\/li>\n\t<\/ul>\n<\/li>\n\t<li id=\"menu-item-3143\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children menu-item-3143\"><a href=\"https:\/\/pigra.es\/en\/consultants\/geotechnical-survey\/\">Geotechnical Survey<\/a>\n\t<ul class=\"sub-menu\">\n\t\t<li id=\"menu-item-3144\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children menu-item-3144\"><a href=\"https:\/\/pigra.es\/en\/consultants\/geotechnical-survey\/topographic\/\">Topographic Survey<\/a>\n\t\t<ul class=\"sub-menu\">\n\t\t\t<li id=\"menu-item-6938\" class=\"menu-item menu-item-type-post_type menu-item-object-post menu-item-6938\"><a href=\"https:\/\/pigra.es\/en\/consultants\/geotechnical-survey\/topographic\/price\/\">Price<\/a><\/li>\n\t\t\t<li id=\"menu-item-3145\" class=\"menu-item menu-item-type-post_type menu-item-object-post menu-item-3145\"><a href=\"https:\/\/pigra.es\/en\/consultants\/geotechnical-survey\/topographic\/drones\/\">With Drones<\/a><\/li>\n\t\t\t<li id=\"menu-item-4079\" class=\"menu-item menu-item-type-post_type menu-item-object-post menu-item-4079\"><a href=\"https:\/\/pigra.es\/en\/consultants\/geotechnical-survey\/topographic\/total-station\/\">With Total Station<\/a><\/li>\n\t\t\t<li id=\"menu-item-4752\" class=\"menu-item menu-item-type-post_type menu-item-object-post menu-item-4752\"><a href=\"https:\/\/pigra.es\/en\/consultants\/geotechnical-survey\/topographic\/gps\/\">With GPS<\/a><\/li>\n\t\t<\/ul>\n<\/li>\n\t<\/ul>\n<\/li>\n\t<li id=\"menu-item-4451\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children menu-item-4451\"><a href=\"https:\/\/pigra.es\/en\/consultants\/greywater\/\">Greywater Consulting<\/a>\n\t<ul class=\"sub-menu\">\n\t\t<li id=\"menu-item-5441\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children menu-item-5441\"><a href=\"https:\/\/pigra.es\/en\/consultants\/greywater\/reuse\/\">Reuse<\/a>\n\t\t<ul class=\"sub-menu\">\n\t\t\t<li id=\"menu-item-6357\" class=\"menu-item menu-item-type-post_type menu-item-object-post menu-item-6357\"><a href=\"https:\/\/pigra.es\/en\/consultants\/what-is-greywater\/reuse\/buildings\/\">In Buildings<\/a><\/li>\n\t\t\t<li id=\"menu-item-7486\" class=\"menu-item menu-item-type-post_type menu-item-object-post menu-item-7486\"><a href=\"https:\/\/pigra.es\/en\/consultants\/what-is-greywater\/reuse\/rainwater\/\">Rainwater<\/a><\/li>\n\t\t\t<li id=\"menu-item-7484\" class=\"menu-item menu-item-type-post_type menu-item-object-post menu-item-7484\"><a href=\"https:\/\/pigra.es\/en\/consultants\/what-is-greywater\/reuse\/at-home\/\">At Home<\/a><\/li>\n\t\t<\/ul>\n<\/li>\n\t\t<li id=\"menu-item-6356\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children menu-item-6356\"><a href=\"https:\/\/pigra.es\/en\/consultants\/greywater\/treatment\/\">Treatment<\/a>\n\t\t<ul class=\"sub-menu\">\n\t\t\t<li id=\"menu-item-6975\" class=\"menu-item menu-item-type-post_type menu-item-object-post menu-item-6975\"><a 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href=\"https:\/\/pigra.es\/en\/consultants\/what-is-greywater\/recycling\/system\/\">System<\/a><\/li>\n\t\t\t<li id=\"menu-item-7483\" class=\"menu-item menu-item-type-post_type menu-item-object-post menu-item-7483\"><a href=\"https:\/\/pigra.es\/en\/consultants\/what-is-greywater\/recycling\/washing-machine\/\">Washing Machine Water<\/a><\/li>\n\t\t\t<li id=\"menu-item-7485\" class=\"menu-item menu-item-type-post_type menu-item-object-post menu-item-7485\"><a href=\"https:\/\/pigra.es\/en\/consultants\/what-is-greywater\/recycling\/car-wash\/\">Water for Car Wash<\/a><\/li>\n\t\t<\/ul>\n<\/li>\n\t<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li id=\"menu-item-wpml-ls-13-en\" class=\"menu-item wpml-ls-slot-13 wpml-ls-item wpml-ls-item-en wpml-ls-current-language wpml-ls-menu-item menu-item-type-wpml_ls_menu_item menu-item-object-wpml_ls_menu_item menu-item-has-children menu-item-wpml-ls-13-en\"><a href=\"https:\/\/pigra.es\/en\/\" aria-current=\"page\" aria-expanded=\"false\" aria-controls=\"wpml-ls-submenu-wpml-ls-13-en\"><img decoding=\"async\"\n            class=\"wpml-ls-flag\"\n            src=\"https:\/\/pigra.es\/wp-content\/plugins\/sitepress-multilingual-cms\/res\/flags\/en.svg\"\n            alt=\"\"\n            loading=\"lazy\"\n            \n            \n    \/><span class=\"wpml-ls-native\" lang=\"en\">English<\/span><\/a>\n<ul class=\"sub-menu\">\n\t<li id=\"menu-item-wpml-ls-13-ca\" class=\"menu-item wpml-ls-slot-13 wpml-ls-item wpml-ls-item-ca wpml-ls-menu-item wpml-ls-first-item menu-item-type-wpml_ls_menu_item menu-item-object-wpml_ls_menu_item menu-item-wpml-ls-13-ca\"><a href=\"https:\/\/pigra.es\/ca\/\" title=\"Switch to Catal\u00e0\" aria-label=\"Switch to Catal\u00e0\"><img decoding=\"async\"\n            class=\"wpml-ls-flag\"\n            src=\"https:\/\/pigra.es\/wp-content\/plugins\/sitepress-multilingual-cms\/res\/flags\/ca.svg\"\n            alt=\"\"\n            loading=\"lazy\"\n            \n            \n    \/><span class=\"wpml-ls-native\" lang=\"ca\">Catal\u00e0<\/span><\/a><\/li>\n\t<li id=\"menu-item-wpml-ls-13-es\" class=\"menu-item wpml-ls-slot-13 wpml-ls-item wpml-ls-item-es wpml-ls-menu-item menu-item-type-wpml_ls_menu_item menu-item-object-wpml_ls_menu_item menu-item-wpml-ls-13-es\"><a href=\"https:\/\/pigra.es\/\" title=\"Switch to Espa\u00f1ol\" aria-label=\"Switch to Espa\u00f1ol\"><img decoding=\"async\"\n            class=\"wpml-ls-flag\"\n            src=\"https:\/\/pigra.es\/wp-content\/plugins\/sitepress-multilingual-cms\/res\/flags\/es.svg\"\n            alt=\"\"\n            loading=\"lazy\"\n            \n            \n    \/><span class=\"wpml-ls-native\" lang=\"es\">Espa\u00f1ol<\/span><\/a><\/li>\n\t<li id=\"menu-item-wpml-ls-13-fr\" class=\"menu-item wpml-ls-slot-13 wpml-ls-item wpml-ls-item-fr wpml-ls-menu-item wpml-ls-last-item menu-item-type-wpml_ls_menu_item menu-item-object-wpml_ls_menu_item menu-item-wpml-ls-13-fr\"><a href=\"https:\/\/pigra.es\/fr\/\" title=\"Switch to Fran\u00e7ais\" aria-label=\"Switch to Fran\u00e7ais\"><img decoding=\"async\"\n            class=\"wpml-ls-flag\"\n            src=\"https:\/\/pigra.es\/wp-content\/plugins\/sitepress-multilingual-cms\/res\/flags\/fr.svg\"\n            alt=\"\"\n            loading=\"lazy\"\n            \n            \n    \/><span class=\"wpml-ls-native\" lang=\"fr\">Fran\u00e7ais<\/span><\/a><\/li>\n<\/ul>\n<\/li>\n<\/ul>                <button class=\"eael-simple-menu-toggle\">\n                    <span class=\"sr-only \">Hamburger Toggle Menu<\/span>\n                    <i aria-hidden=\"true\" class=\"fas fa-bars\"><\/i>                <\/button>\n            <\/div>\n            \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\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-a8a6286 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"a8a6286\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-b17056a\" data-id=\"b17056a\" 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-893e224 elementor-widget elementor-widget-heading\" data-id=\"893e224\" 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<p class=\"elementor-heading-title elementor-size-default\"> <\/p>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-087d0e6 elementor-widget elementor-widget-heading\" data-id=\"087d0e6\" 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<p class=\"elementor-heading-title elementor-size-default\"> <\/p>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ad180d9 elementor-widget elementor-widget-heading\" data-id=\"ad180d9\" 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<p class=\"elementor-heading-title elementor-size-default\">Tunnel Support<\/p>\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\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-e753680 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"e753680\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-459a49e\" data-id=\"459a49e\" 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-7d2de22 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"7d2de22\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\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<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-7e9d9be elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7e9d9be\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-e3768ea\" data-id=\"e3768ea\" 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-447115e elementor-widget elementor-widget-text-editor\" data-id=\"447115e\" 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><span style=\"font-weight: 400;\"><a href=\"https:\/\/www.pigra.es\/consultores\/obras\/tuneles\">Tunnels<\/a> are subway structures that are built for various purposes, such as transportation of vehicles or people, mining, water or electric power conduction, among others. The <\/span><a href=\"https:\/\/blog.structuralia.com\/construccion-de-tuneles-mecanismos-de-sostenimiento-del-terreno\" rel=\"nofollow\"><b>tunnel support<\/b><\/a>, <span style=\"font-weight: 400;\">which is performed by Pigra Engineering S.L., is essential to guarantee the safety and stability of the structure during its construction and operation.<\/span><\/p>\n<div id=\"c2VycGVkX21vZGFsX2Jsa20\" class=\"bW9kYWw serped_plugin_div\"> <\/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-1470a0e elementor-button-info elementor-align-center elementor-widget elementor-widget-button\" data-id=\"1470a0e\" 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-xl\" href=\"tel:\/\/934090441\" target=\"_blank\">\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 today at (+34) 93 409 04 41 and ask for a quote.<\/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\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-f740089 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"f740089\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-a140438\" data-id=\"a140438\" 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-6824603 elementor-widget elementor-widget-image\" data-id=\"6824603\" 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\" src=\"https:\/\/lh3.googleusercontent.com\/-zBPEhanfAos\/Y-zvZdd3soI\/AAAAAAAAANQ\/_fv7UfEQRPA0CugPa0oFhi8rGmMZo0cuACLQBGAYYCw\/Cercha%2BT%25C3%25BAnel%2B-%2BPigra%2BEngineering.jpg\" title=\"\" alt=\"\" loading=\"lazy\" \/>\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<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-8a51742\" data-id=\"8a51742\" 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-f41f4c3 elementor-widget elementor-widget-image\" data-id=\"f41f4c3\" 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\" src=\"https:\/\/lh3.googleusercontent.com\/-8029k8CqdQc\/Y-zvZSmyDnI\/AAAAAAAAANM\/W080SGJz-kQ6Az5KXC5I6IWrDbXyNeW3wCLQBGAYYCw\/Gunita%252C%2BCerchas%2By%2BBulones%2Ben%2Bel%2BSostenimiento%2Bde%2BT%25C3%25BAneles%2B-%2BPigra%2BEngineering.jpg\" title=\"\" alt=\"\" loading=\"lazy\" \/>\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\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-c9e592f elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"c9e592f\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-0cd0cea\" data-id=\"0cd0cea\" 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-cb47d43 elementor-widget elementor-widget-text-editor\" data-id=\"cb47d43\" 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><span style=\"font-weight: 400;\">There are several<\/span> <b>methods of tunnel construction<\/b>,<span style=\"font-weight: 400;\">these include the traditional hand-dug method, the drill and blast method, the mechanical tunnel boring machine method and the injection method. Each has its own advantages and disadvantages and is selected based on ground conditions, tunnel size and depth, among other factors.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Regarding the<\/span> <b>tunnel support and lining<\/b>,<span style=\"font-weight: 400;\">there are different options at Pigra Engineering S.L., such as the use of beams and columns, the use of concrete walls or the use of masonry cladding. These methods are used to provide adequate stability and strength to the tunnel, and to protect it against water infiltration and deterioration caused by moisture.<\/span><\/p>\n\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\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-ff08151 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"ff08151\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-228cd08\" data-id=\"228cd08\" 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-9adafd7 elementor-widget elementor-widget-image\" data-id=\"9adafd7\" 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\" src=\"https:\/\/lh3.googleusercontent.com\/-oJoacFzoDms\/Y-zvZRPH_TI\/AAAAAAAAANI\/Ja0AZKHFnHwfGwLphmXJ2ZObL6vtjo3CgCLQBGAYYCw\/Partes%2BDe%2BUn%2BT%25C3%25BAnel%2B-%2BPigra%2BEngineering.jpg\" title=\"\" alt=\"\" loading=\"lazy\" \/>\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<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-5204631\" data-id=\"5204631\" 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-4a89567 elementor-widget elementor-widget-image\" data-id=\"4a89567\" 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\" src=\"https:\/\/lh3.googleusercontent.com\/-gsSpx4NJYKo\/Y-zvZodN9NI\/AAAAAAAAANU\/YP4oJw6IKzkiu-1f-FLzdcRj31D9AsxdgCLQBGAYYCw\/Sostenimiento%2BEn%2BTuneles%2B-%2BPigra%2BEngineering.jpg\" title=\"\" alt=\"\" loading=\"lazy\" \/>\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\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-0f4b596 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"0f4b596\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-e93a2f2\" data-id=\"e93a2f2\" 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-8124a46 elementor-button-info elementor-align-center elementor-widget elementor-widget-button\" data-id=\"8124a46\" 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-xl\" href=\"tel:\/\/934090441\" target=\"_blank\">\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 at (+34) 93 409 04 41 for more 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-f69f082 elementor-widget elementor-widget-text-editor\" data-id=\"f69f082\" 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><b>In mining, tunnel support<\/b><span style=\"font-weight: 400;\">  is especially important due to the extremely difficult conditions and high safety requirements. The methods of support used in mining include the use of anchoring systems, the use of steel faces and the use of pressurized support systems.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Regarding the<\/span> <b>parts of a tunnel<\/b>,<span style=\"font-weight: 400;\">tunnels can be divided into several sections, such as the tunnel head, the tunnel body and the tunnel tail. The tunnel head is the entrance to the tunnel and usually includes a preparation zone and a safety zone. The body of the tunnel is the main part and is where most of the construction takes place. The tunnel tail is the exit of the tunnel and usually includes an eviction area and a safety area.<\/span><\/p>\n\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\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-0c18e87 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"0c18e87\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-50ed91f\" data-id=\"50ed91f\" 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-d45b9d6 elementor-widget elementor-widget-image\" data-id=\"d45b9d6\" 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\" src=\"https:\/\/lh3.googleusercontent.com\/-vAQ8OaPmzzo\/Y-zvZrGLgPI\/AAAAAAAAANY\/do3pwRPoogE0mv-Sr3QM_CQQMZ9T0azOACLQBGAYYCw\/Sostenimiento%25C2%25A0De%2BT%25C3%25BAneles%25C2%25A0En%25C2%25A0Miner%25C3%25ADa%2B-%2BPigra%2BEngineering.jpg\" title=\"\" alt=\"\" loading=\"lazy\" \/>\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<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-497fc2e\" data-id=\"497fc2e\" 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-5f52e7d elementor-widget elementor-widget-image\" data-id=\"5f52e7d\" 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\" src=\"https:\/\/lh3.googleusercontent.com\/-ohPumUodPwE\/Y-zvZmzeM9I\/AAAAAAAAANc\/3anHinqhTP0mbIoQU3xMnKkQvgcv2s-QgCLQBGAYYCw\/Sostenimiento%25C2%25A0Y%2BRevestimiento%2BDe%2BT%25C3%25BAneles%2B-%2BPigra%2BEngineering.jpg\" title=\"\" alt=\"\" loading=\"lazy\" \/>\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\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-e62a7f6 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"e62a7f6\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-a829f1d\" data-id=\"a829f1d\" 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-977c83b elementor-widget elementor-widget-text-editor\" data-id=\"977c83b\" 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><span style=\"font-weight: 400;\">In summary, tunnel support, which is done at Pigra Engineering S. L., is essential to ensure the stability and safety of the tunnel during construction and operation. There are several methods of tunnel construction and for the support and lining of tunnels, and each has its own challenges and requirements. The choice of the appropriate method depends on factors such as the geology of the terrain, the length and diameter of the tunnel, as well as the presence of obstacles and hazards. The selection of appropriate materials and technologies for support and lining is also crucial to ensure the long-term durability and safety of the tunnel. Continuous supervision and monitoring are essential to detect and correct problems at an early stage and to ensure the extended life of the tunnel. In short, tunnel support is a key aspect of tunnel construction that should not be underestimated.<\/span><\/p>\n\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\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Home Servicios Pigra Clientes Qui\u00e9nes somosAbrir el men\u00fa Calidad y MA I+D+i Plan de Igualdad Contacto Consultor\u00eda Ingenier\u00eda CivilAbrir el men\u00fa Consultores de Obras Construcci\u00f3n T\u00faneles Sostenimiento Perforaciones Horizontales Sin Zanja Estudio Geot\u00e9cnico Estudio Topogr\u00e1fico Precio Con Drones Con Estaci\u00f3n Total Con GPS Consultor\u00eda Aguas grises Reutilizaci\u00f3n En Edificios Agua de Lluvia Hogar Tratamiento Para [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"elementor_canvas","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[96],"tags":[],"class_list":["post-2973","post","type-post","status-publish","format-standard","hentry","category-tunnel"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - 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