{"id":12979,"date":"2025-03-06T17:14:29","date_gmt":"2025-03-06T09:14:29","guid":{"rendered":"https:\/\/www.istinst.com\/?page_id=12979"},"modified":"2026-02-25T16:10:24","modified_gmt":"2026-02-25T08:10:24","slug":"tunnel-inspection-and-assessment","status":"publish","type":"page","link":"https:\/\/www.istinst.com\/zh\/solutions\/tunnel-inspection-and-assessment\/","title":{"rendered":"Tunnel Inspection and Assessment"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"12979\" class=\"elementor elementor-12979\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-48412c9 e-con-full e-flex e-con e-parent\" data-id=\"48412c9\" 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-1956640 elementor-align-left elementor-widget-mobile__width-inherit elementor-widget__width-initial elementor-widget-tablet__width-inherit elementor-widget elementor-widget-breadcrumbs\" data-id=\"1956640\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"breadcrumbs.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<nav aria-label=\"breadcrumbs\" class=\"rank-math-breadcrumb\"><p><span class=\"last\">Home<\/span><\/p><\/nav>\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-40211c4 e-con-full e-flex e-con e-parent\" data-id=\"40211c4\" 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-905b06a elementor-widget elementor-widget-heading\" data-id=\"905b06a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">tunnel inspection &amp; assessment<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ea344e7 elementor-widget__width-initial elementor-widget-tablet__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"ea344e7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Tunnel inspection and assessment is a vital process for safety and durability. It involves a thorough evaluation of structural integrity, component conditions, and operational systems. This proactive approach detects potential defects early, enabling timely maintenance, preventing major failures, and extending service life<\/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-e424149 e-con-full e-grid e-con e-parent\" data-id=\"e424149\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-f74313e e-con-full e-flex e-con e-child\" data-id=\"f74313e\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-6f0812f e-con-full e-flex e-con e-child\" data-id=\"6f0812f\" 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-d473dc9 elementor-widget__width-inherit elementor-widget elementor-widget-image\" data-id=\"d473dc9\" data-element_type=\"widget\" data-e-type=\"widget\" fetchpriority=\"high\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/www.istinst.com\/wp-content\/uploads\/2026\/02\/Tunnel-seismic-prediction.jpg\" class=\"attachment-full size-full wp-image-35056\" alt=\"\" srcset=\"https:\/\/www.istinst.com\/wp-content\/uploads\/2026\/02\/Tunnel-seismic-prediction.jpg 800w, https:\/\/www.istinst.com\/wp-content\/uploads\/2026\/02\/Tunnel-seismic-prediction-500x375.jpg 500w, https:\/\/www.istinst.com\/wp-content\/uploads\/2026\/02\/Tunnel-seismic-prediction-300x225.jpg 300w, https:\/\/www.istinst.com\/wp-content\/uploads\/2026\/02\/Tunnel-seismic-prediction-768x576.jpg 768w, https:\/\/www.istinst.com\/wp-content\/uploads\/2026\/02\/Tunnel-seismic-prediction-16x12.jpg 16w\" 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<div class=\"elementor-element elementor-element-54665fd e-con-full e-flex e-con e-child\" data-id=\"54665fd\" 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-208bc34 elementor-widget__width-initial elementor-widget elementor-widget-heading\" data-id=\"208bc34\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Tunnel seismic prediction (TSP)<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-19a1ead elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"19a1ead\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Tunnel Seismic Prediction enables an advance notice of geological uncertainties in the rock mass and is the key factor for efficient risk management.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a4db8a4 elementor-align-left elementor-mobile-align-justify elementor-widget-tablet__width-auto solution-button elementor-widget elementor-widget-button\" data-id=\"a4db8a4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"#Tunnel_Location%201\">\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\">Learn more &gt;<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\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<div class=\"elementor-element elementor-element-623cd14 e-con-full e-flex e-con e-child\" data-id=\"623cd14\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-b18759f e-con-full e-flex e-con e-child\" data-id=\"b18759f\" 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-e625366 elementor-widget__width-inherit elementor-widget elementor-widget-image\" data-id=\"e625366\" data-element_type=\"widget\" data-e-type=\"widget\" fetchpriority=\"high\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/www.istinst.com\/wp-content\/uploads\/2026\/01\/Tunnel-lining-inspection.jpg\" class=\"attachment-full size-full wp-image-31605\" alt=\"\" srcset=\"https:\/\/www.istinst.com\/wp-content\/uploads\/2026\/01\/Tunnel-lining-inspection.jpg 800w, https:\/\/www.istinst.com\/wp-content\/uploads\/2026\/01\/Tunnel-lining-inspection-500x375.jpg 500w, https:\/\/www.istinst.com\/wp-content\/uploads\/2026\/01\/Tunnel-lining-inspection-300x225.jpg 300w, https:\/\/www.istinst.com\/wp-content\/uploads\/2026\/01\/Tunnel-lining-inspection-768x576.jpg 768w, https:\/\/www.istinst.com\/wp-content\/uploads\/2026\/01\/Tunnel-lining-inspection-16x12.jpg 16w\" 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<div class=\"elementor-element elementor-element-0dc048b e-con-full e-flex e-con e-child\" data-id=\"0dc048b\" 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-c491d25 elementor-widget__width-initial elementor-widget elementor-widget-heading\" data-id=\"c491d25\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Tunnel lining inspection<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-71d48d7 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"71d48d7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Integrate non-destructive testing technologies such as GPR and ultrasonic CT to achieve preventive maintenance throughout the tunnel life cycle<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b144da0 elementor-align-left elementor-mobile-align-justify elementor-widget-tablet__width-auto solution-button elementor-widget elementor-widget-button\" data-id=\"b144da0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"#Tunnel_Location%202\">\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\">Learn more &gt;<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\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<div class=\"elementor-element elementor-element-0b38479 e-con-full e-flex e-con e-child\" data-id=\"0b38479\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-64d68fb e-con-full e-flex e-con e-child\" data-id=\"64d68fb\" 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-358620b elementor-widget__width-inherit elementor-widget elementor-widget-image\" data-id=\"358620b\" data-element_type=\"widget\" data-e-type=\"widget\" fetchpriority=\"high\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/www.istinst.com\/wp-content\/uploads\/2026\/02\/Tunnel-section-inspection.jpg\" class=\"attachment-full size-full wp-image-35057\" alt=\"\" srcset=\"https:\/\/www.istinst.com\/wp-content\/uploads\/2026\/02\/Tunnel-section-inspection.jpg 800w, https:\/\/www.istinst.com\/wp-content\/uploads\/2026\/02\/Tunnel-section-inspection-500x375.jpg 500w, https:\/\/www.istinst.com\/wp-content\/uploads\/2026\/02\/Tunnel-section-inspection-300x225.jpg 300w, https:\/\/www.istinst.com\/wp-content\/uploads\/2026\/02\/Tunnel-section-inspection-768x576.jpg 768w, https:\/\/www.istinst.com\/wp-content\/uploads\/2026\/02\/Tunnel-section-inspection-16x12.jpg 16w\" 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<div class=\"elementor-element elementor-element-2fbaf8f e-con-full e-flex e-con e-child\" data-id=\"2fbaf8f\" 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-bb7d3d4 elementor-widget__width-initial elementor-widget elementor-widget-heading\" data-id=\"bb7d3d4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Tunnel section inspection<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5783c38 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"5783c38\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Tunnel lining deformation monitoring,segment ovality assessment &amp; excavation control with millimeter accuracy<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-635eff1 elementor-align-left elementor-mobile-align-justify elementor-widget-tablet__width-auto solution-button elementor-widget elementor-widget-button\" data-id=\"635eff1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"#Tunnel_Location%203\">\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\">Learn more &gt;<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\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<\/div>\n\t\t<div class=\"elementor-element elementor-element-485efc0 e-con-full e-flex e-con e-parent\" data-id=\"485efc0\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-ba64700 e-con-full e-flex e-con e-child\" data-id=\"ba64700\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-6d43313 e-con-full e-flex e-con e-child\" data-id=\"6d43313\" 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-f6854c4 elementor-widget__width-inherit elementor-widget elementor-widget-heading\" data-id=\"f6854c4\" data-element_type=\"widget\" data-e-type=\"widget\" id=\"Tunnel_Location 1\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Tunnel seismic prediction (TSP)<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-11c2531 elementor-widget elementor-widget-text-editor\" data-id=\"11c2531\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Tunnel Seismic Prediction (TSP) is a geophysical method used to assess rock conditions ahead of a tunnel face during construction. It involves transmitting seismic waves into the rock and analyzing the reflected waves to map geological features and predict potential hazards. TSP helps in reducing risks associated with tunnel excavation by identifying faults, weak zones, karst formations, and water-bearing zones.<\/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-19c09ff e-con-full e-flex e-con e-child\" data-id=\"19c09ff\" 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-1ff4702 elementor-widget-tablet__width-inherit elementor-widget elementor-widget-image\" data-id=\"1ff4702\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/www.istinst.com\/wp-content\/uploads\/2026\/02\/Tunnel-seismic-prediction.jpg\" class=\"attachment-full size-full wp-image-35056\" alt=\"\" srcset=\"https:\/\/www.istinst.com\/wp-content\/uploads\/2026\/02\/Tunnel-seismic-prediction.jpg 800w, https:\/\/www.istinst.com\/wp-content\/uploads\/2026\/02\/Tunnel-seismic-prediction-500x375.jpg 500w, https:\/\/www.istinst.com\/wp-content\/uploads\/2026\/02\/Tunnel-seismic-prediction-300x225.jpg 300w, https:\/\/www.istinst.com\/wp-content\/uploads\/2026\/02\/Tunnel-seismic-prediction-768x576.jpg 768w, https:\/\/www.istinst.com\/wp-content\/uploads\/2026\/02\/Tunnel-seismic-prediction-16x12.jpg 16w\" 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<\/div>\n\t\t<div class=\"elementor-element elementor-element-687edad e-con-full e-flex e-con e-child\" data-id=\"687edad\" 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-a0928fa elementor-widget elementor-widget-heading\" data-id=\"a0928fa\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">related products<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-dbc5bb7 elementor-product-loop-item--align-left elementor-widget__width-inherit elementor-grid-tablet-3 elementor-grid-mobile-1 elementor-grid-3 solutions-product elementor-products-grid elementor-wc-products elementor-widget elementor-widget-woocommerce-products\" data-id=\"dbc5bb7\" data-element_type=\"widget\" data-e-type=\"widget\" target=\"blank\" data-widget_type=\"woocommerce-products.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"woocommerce columns-3\"><ul class=\"products elementor-grid columns-3\">\n<li class=\"desktop-align-left tablet-align-left mobile-align-left ast-product-gallery-layout-horizontal-slider ast-product-gallery-with-no-image ast-product-tabs-layout-horizontal product type-product post-15419 status-publish first instock product_cat-construction-project-quality-control product_tag-tunnel-seismic-prediction-tsp shipping-taxable product-type-simple\">\n\t<a href=\"https:\/\/www.istinst.com\/zh\/products\/a1040-mira-3d-ultrasonic-tomograph-of-concrete%ef%bc%88en%ef%bc%89\/\" target=\"_blank\" rel=\"noopener noreferrer\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><img decoding=\"async\" width=\"500\" height=\"375\" src=\"https:\/\/www.istinst.com\/wp-content\/uploads\/woocommerce-placeholder-500x375.webp\" class=\"woocommerce-placeholder wp-post-image\" alt=\"\u5360\u4f4d\" srcset=\"https:\/\/www.istinst.com\/wp-content\/uploads\/woocommerce-placeholder-500x375.webp 500w, https:\/\/www.istinst.com\/wp-content\/uploads\/woocommerce-placeholder-380x285.webp 380w\" sizes=\"(max-width: 500px) 100vw, 500px\" data-no-translation-alt=\"\" \/><h2 class=\"woocommerce-loop-product__title\">A1040 MIRA 3D Ultrasonic tomograph of concrete\uff08EN\uff09<\/h2>\n<\/a><\/li>\n<li class=\"desktop-align-left tablet-align-left mobile-align-left ast-product-gallery-layout-horizontal-slider ast-product-tabs-layout-horizontal product type-product post-15812 status-publish instock product_cat-bridge-inspections-and-condition-assessments product_tag-tunnel-seismic-prediction-tsp shipping-taxable product-type-simple\">\n\t<a href=\"https:\/\/www.istinst.com\/zh\/products\/a1040-mira-3d-pro-modular-upgrade-and-matrix-mode-break\/\" target=\"_blank\" rel=\"noopener noreferrer\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><img decoding=\"async\" width=\"500\" height=\"375\" src=\"https:\/\/www.istinst.com\/wp-content\/uploads\/woocommerce-placeholder-500x375.webp\" class=\"woocommerce-placeholder wp-post-image\" alt=\"\u5360\u4f4d\" srcset=\"https:\/\/www.istinst.com\/wp-content\/uploads\/woocommerce-placeholder-500x375.webp 500w, https:\/\/www.istinst.com\/wp-content\/uploads\/woocommerce-placeholder-380x285.webp 380w\" sizes=\"(max-width: 500px) 100vw, 500px\" data-no-translation-alt=\"\" \/><h2 class=\"woocommerce-loop-product__title\">A1040 MIRA 3D Pro modular upgrade and MATRIX mode break<\/h2>\n<\/a><\/li>\n<\/ul>\n<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-081f55a e-con-full e-flex e-con e-child\" data-id=\"081f55a\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-bc9c079 e-con-full e-flex e-con e-child\" data-id=\"bc9c079\" 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-00db016 elementor-widget__width-inherit elementor-widget elementor-widget-heading\" data-id=\"00db016\" data-element_type=\"widget\" data-e-type=\"widget\" id=\"Tunnel_Location 2\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Tunnel lining inspection<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b36a6c1 elementor-widget elementor-widget-text-editor\" data-id=\"b36a6c1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Tunnel lining inspection involves assessing the condition of the tunnel\u2019s structural support, including tunnel lining thickness, internal defects, etc., as well as identifying potential problems such as cracks, leaks or material degradation. This is critical to maintaining tunnel safety and preventing structural failures.<\/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-98d7e45 e-con-full e-flex e-con e-child\" data-id=\"98d7e45\" 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-b0cce93 elementor-widget-tablet__width-inherit elementor-widget elementor-widget-image\" data-id=\"b0cce93\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/www.istinst.com\/wp-content\/uploads\/2026\/01\/Tunnel-lining-inspection.jpg\" class=\"attachment-full size-full wp-image-31605\" alt=\"\" srcset=\"https:\/\/www.istinst.com\/wp-content\/uploads\/2026\/01\/Tunnel-lining-inspection.jpg 800w, https:\/\/www.istinst.com\/wp-content\/uploads\/2026\/01\/Tunnel-lining-inspection-500x375.jpg 500w, https:\/\/www.istinst.com\/wp-content\/uploads\/2026\/01\/Tunnel-lining-inspection-300x225.jpg 300w, https:\/\/www.istinst.com\/wp-content\/uploads\/2026\/01\/Tunnel-lining-inspection-768x576.jpg 768w, https:\/\/www.istinst.com\/wp-content\/uploads\/2026\/01\/Tunnel-lining-inspection-16x12.jpg 16w\" 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<\/div>\n\t\t<div class=\"elementor-element elementor-element-00d3b05 e-con-full e-flex e-con e-child\" data-id=\"00d3b05\" 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-d2de70c elementor-widget elementor-widget-heading\" data-id=\"d2de70c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">related products<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d82afb2 e-con-full e-flex e-con e-child\" data-id=\"d82afb2\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-eb470b5 e-con-full e-flex e-con e-child\" data-id=\"eb470b5\" 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-e22989a elementor-widget__width-inherit elementor-widget elementor-widget-heading\" data-id=\"e22989a\" data-element_type=\"widget\" data-e-type=\"widget\" id=\"Tunnel_Location 3\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Tunnel section inspection\u200b<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cbaf6f3 elementor-widget elementor-widget-text-editor\" data-id=\"cbaf6f3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>It is used for over-break and under-break detection of tunnel excavation sections, primary support and secondary lining sections, covering section measurement, surrounding rock convergence monitoring, earthwork volume calculation and blasthole indication. By adopting a comprehensive tunnel section inspection method, engineers can effectively manage the risks associated with tunnel operations and ensure the long-term reliability and safety of these critical infrastructures.<\/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-554ecb8 e-con-full e-flex e-con e-child\" data-id=\"554ecb8\" 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-b612ca5 elementor-widget-tablet__width-inherit elementor-widget elementor-widget-image\" data-id=\"b612ca5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/www.istinst.com\/wp-content\/uploads\/2026\/02\/Tunnel-section-inspection.jpg\" class=\"attachment-full size-full wp-image-35057\" alt=\"\" srcset=\"https:\/\/www.istinst.com\/wp-content\/uploads\/2026\/02\/Tunnel-section-inspection.jpg 800w, https:\/\/www.istinst.com\/wp-content\/uploads\/2026\/02\/Tunnel-section-inspection-500x375.jpg 500w, https:\/\/www.istinst.com\/wp-content\/uploads\/2026\/02\/Tunnel-section-inspection-300x225.jpg 300w, https:\/\/www.istinst.com\/wp-content\/uploads\/2026\/02\/Tunnel-section-inspection-768x576.jpg 768w, https:\/\/www.istinst.com\/wp-content\/uploads\/2026\/02\/Tunnel-section-inspection-16x12.jpg 16w\" 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<\/div>\n\t\t<div class=\"elementor-element elementor-element-071a47c e-con-full e-flex e-con e-child\" data-id=\"071a47c\" 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-d3e50cc elementor-widget elementor-widget-heading\" data-id=\"d3e50cc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">related products<\/h2>\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-34a0170 e-con-full e-flex e-con e-parent\" data-id=\"34a0170\" 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-e396c86 elementor-widget-tablet__width-inherit elementor-widget-mobile__width-inherit elementor-widget elementor-widget-text-editor\" data-id=\"e396c86\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Not sure the best solution for you?<\/p><p>We\u2019re here to help you find the right solutions<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bfdcf2d elementor-align-left home-button elementor-widget elementor-widget-button\" data-id=\"bfdcf2d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"mailto:info@istinst.com\" target=\"_blank\" rel=\"nofollow\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-icon\">\n\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-caret-right\" viewbox=\"0 0 192 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M0 384.662V127.338c0-17.818 21.543-26.741 34.142-14.142l128.662 128.662c7.81 7.81 7.81 20.474 0 28.284L34.142 398.804C21.543 411.404 0 402.48 0 384.662z\"><\/path><\/svg>\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Email Us<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Home tunnel inspection &amp; assessment Tunnel inspection and assessment is a vital process for safety and durability. It involves a thorough evaluation of structural integrity, component conditions, and operational systems. This proactive approach detects potential defects early, enabling timely maintenance, preventing major failures, and extending service life Tunnel seismic prediction (TSP) Tunnel Seismic Prediction enables [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":12656,"menu_order":2,"comment_status":"closed","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"no-sidebar","site-content-layout":"page-builder","ast-site-content-layout":"full-width-container","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-12979","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.istinst.com\/zh\/wp-json\/wp\/v2\/pages\/12979","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.istinst.com\/zh\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.istinst.com\/zh\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.istinst.com\/zh\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.istinst.com\/zh\/wp-json\/wp\/v2\/comments?post=12979"}],"version-history":[{"count":0,"href":"https:\/\/www.istinst.com\/zh\/wp-json\/wp\/v2\/pages\/12979\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/www.istinst.com\/zh\/wp-json\/wp\/v2\/pages\/12656"}],"wp:attachment":[{"href":"https:\/\/www.istinst.com\/zh\/wp-json\/wp\/v2\/media?parent=12979"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}