{"id":6108,"date":"2021-08-04T15:22:09","date_gmt":"2021-08-04T13:22:09","guid":{"rendered":"https:\/\/www.ntsgen.com\/?page_id=6108"},"modified":"2021-10-27T13:26:30","modified_gmt":"2021-10-27T11:26:30","slug":"tunnel","status":"publish","type":"page","link":"https:\/\/www.ntsgen.com\/en\/tunnel\/","title":{"rendered":"Tunnel"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"6108\" class=\"elementor elementor-6108 elementor-2316\" data-elementor-post-type=\"page\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-64d9f082 elementor-section-full_width elementor-section-height-default elementor-section-height-default\" data-id=\"64d9f082\" 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-7a43acdc\" data-id=\"7a43acdc\" 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-4404cd9e elementor--h-position-center elementor--v-position-middle elementor-arrows-position-inside elementor-widget elementor-widget-slides\" data-id=\"4404cd9e\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;navigation&quot;:&quot;arrows&quot;,&quot;transition_speed&quot;:800,&quot;transition&quot;:&quot;slide&quot;}\" data-widget_type=\"slides.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-swiper\">\n\t\t\t\t\t<div class=\"elementor-slides-wrapper elementor-main-swiper swiper\" role=\"region\" aria-roledescription=\"carousel\" aria-label=\"Slides\" dir=\"ltr\" data-animation=\"zoomIn\">\n\t\t\t\t<div class=\"swiper-wrapper elementor-slides\">\n\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-repeater-item-49688cc swiper-slide\" role=\"group\" aria-roledescription=\"slide\"><div class=\"swiper-slide-bg\" role=\"img\" aria-label=\"Professional underground workerpointing downward in a tunnel\/mine.\"><\/div><div class=\"swiper-slide-inner\" ><div class=\"swiper-slide-contents\"><\/div><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\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-1de392ff elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1de392ff\" 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-66 elementor-top-column elementor-element elementor-element-a88dc89 elementor-invisible\" data-id=\"a88dc89\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;animation&quot;:&quot;fadeInLeft&quot;}\">\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-79abf753 elementor-widget elementor-widget-text-editor\" data-id=\"79abf753\" 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 <strong>&#8220;OF Tunnel&#8221;<\/strong> system defines the optimal configuration for monitoring the quantities necessary to characterise the tensional state of a tunnel, its <strong>deformations in space<\/strong> and in the plane: \u00a0its deterioration <strong>over time<\/strong>. The high degree of flexibility and scalability of the <strong>&#8220;OF Tunnel&#8221;<\/strong> System allows application on all types of tunnels, on <strong>structural<\/strong> or <strong>non-structural<\/strong> elements, providing additional and continuously developing services.<\/p><p><strong>SYSTEM POSITIONING<\/strong><\/p><ul><li>Along the tunnel and cross sections;<\/li><li>Along the perimeter\/containment walls;<\/li><li>At all critical points of the structure.<\/li><\/ul><p><strong>PROPERTIES<\/strong><\/p><ul><li>Convergence measurement for tunnel sections;<\/li><li>Monitoring of longitudinal deformations in the tunnel;<\/li><li>Measurement of bending and reinforcement loads;<\/li><li>Monitoring of cracks and interstitial seepage;<\/li><li>Calibrations and measurements are stable over time (no drift effect)<\/li><li>No hindrance during routine tunnel maintenance.<br \/><br \/><\/li><\/ul><p><strong>NTSG<\/strong> has developed a mathematical model for the interpretation of the measurements made by the <strong>&#8220;OF Tunnel&#8221;<\/strong> system and the calculation of engineering quantities derived from them. The model is implemented in the proprietary software <strong>&#8220;Edgegateway&#8221;<\/strong> which acquires the above measurements in real time, uses them to derive the <strong>engineering<\/strong> quantities described in the <strong>Properties<\/strong> section and manages alerts and alarms in the presence of <strong>anomalies<\/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-f7d2b27 elementor-widget elementor-widget-image\" data-id=\"f7d2b27\" 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=\"750\" height=\"349\" src=\"https:\/\/www.ntsgen.com\/wp-content\/uploads\/2021\/08\/OF-TUNNEL_2_ENG-1024x476.jpg\" class=\"attachment-large size-large wp-image-6121\" alt=\"\" srcset=\"https:\/\/www.ntsgen.com\/wp-content\/uploads\/2021\/08\/OF-TUNNEL_2_ENG-1024x476.jpg 1024w, https:\/\/www.ntsgen.com\/wp-content\/uploads\/2021\/08\/OF-TUNNEL_2_ENG-300x139.jpg 300w, https:\/\/www.ntsgen.com\/wp-content\/uploads\/2021\/08\/OF-TUNNEL_2_ENG-768x357.jpg 768w, https:\/\/www.ntsgen.com\/wp-content\/uploads\/2021\/08\/OF-TUNNEL_2_ENG-1536x714.jpg 1536w, https:\/\/www.ntsgen.com\/wp-content\/uploads\/2021\/08\/OF-TUNNEL_2_ENG-2048x952.jpg 2048w, https:\/\/www.ntsgen.com\/wp-content\/uploads\/2021\/08\/OF-TUNNEL_2_ENG-1568x729.jpg 1568w\" sizes=\"(max-width: 750px) 100vw, 750px\" style=\"width:100%;height:46.48%;max-width:2560px\" \/>\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 class=\"elementor-element elementor-element-0bf004c elementor-widget elementor-widget-text-editor\" data-id=\"0bf004c\" 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>THERMAL MONITORING<\/h2><p><strong>POSITIONING OF THE SYSTEM<\/strong><\/p><ul><li>Along the tunnel canopy.<\/li><\/ul><p><strong>PROPERTIES<\/strong><\/p><ul><li>Real-time monitoring of the temperature inside the tunnel;<\/li><li>Application of a specific fibre optic cable for high temperatures, up to 800\u00b0C.<\/li><\/ul>\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-5904351 elementor-widget elementor-widget-image\" data-id=\"5904351\" 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=\"750\" height=\"349\" src=\"https:\/\/www.ntsgen.com\/wp-content\/uploads\/2021\/08\/OF-TUNNEL_termico_ENG-1024x476.jpg\" class=\"attachment-large size-large wp-image-6125\" alt=\"\" srcset=\"https:\/\/www.ntsgen.com\/wp-content\/uploads\/2021\/08\/OF-TUNNEL_termico_ENG-1024x476.jpg 1024w, https:\/\/www.ntsgen.com\/wp-content\/uploads\/2021\/08\/OF-TUNNEL_termico_ENG-300x139.jpg 300w, https:\/\/www.ntsgen.com\/wp-content\/uploads\/2021\/08\/OF-TUNNEL_termico_ENG-768x357.jpg 768w, https:\/\/www.ntsgen.com\/wp-content\/uploads\/2021\/08\/OF-TUNNEL_termico_ENG-1536x714.jpg 1536w, https:\/\/www.ntsgen.com\/wp-content\/uploads\/2021\/08\/OF-TUNNEL_termico_ENG-2048x952.jpg 2048w, https:\/\/www.ntsgen.com\/wp-content\/uploads\/2021\/08\/OF-TUNNEL_termico_ENG-1568x729.jpg 1568w\" sizes=\"(max-width: 750px) 100vw, 750px\" style=\"width:100%;height:46.48%;max-width:2560px\" \/>\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 class=\"elementor-element elementor-element-220a613 elementor-widget elementor-widget-text-editor\" data-id=\"220a613\" 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><strong>&#8220;OF&#8221; FAN<\/strong><\/h2><p><b><img decoding=\"async\" class=\"size-medium wp-image-3047 alignright\" src=\"https:\/\/www.ntsgen.com\/\/wp-content\/uploads\/2021\/07\/OF-FAN-300x274.jpg\" alt=\"\" width=\"300\" height=\"274\" srcset=\"https:\/\/www.ntsgen.com\/wp-content\/uploads\/2021\/07\/OF-FAN-300x274.jpg 300w, https:\/\/www.ntsgen.com\/wp-content\/uploads\/2021\/07\/OF-FAN-768x702.jpg 768w, https:\/\/www.ntsgen.com\/wp-content\/uploads\/2021\/07\/OF-FAN.jpg 851w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/b><\/p><p>The<strong> &#8220;OF Fan&#8221;<\/strong> system has been developed and certified for vibration monitoring, control of out-of-place movements of the fan, the behaviour of the anchoring elements, to monitor the thrust and power absorption performance of the fan. The &#8220;OF Fan&#8221; system returns the vibration spectrum of the machine from which it is possible to discriminate the cause of anomalies, when they occur. The high degree of flexibility and scalability of the &#8220;OF Fan&#8221; system allows application on all types of fans, on structural or non-structural elements, and the integration of this monitoring system with the &#8220;OF Tunnel&#8221; system.<\/p><p><strong>SYSTEM POSITIONING<\/strong><\/p><ul><li>On the fan power cables;<\/li><li>On the motor and vibrating body;<\/li><li>On the fan&#8217;s anchoring structure.<\/li><\/ul><p><strong>PROPERTIES<\/strong><\/p><ul><li>Dynamic monitoring of the power absorption of the fan and consequent definition of its state;<\/li><li>Monitoring of vibrations, deformations, displacements and degradation of the fan.<\/li><li>Monitoring of the system for anchoring the machine to the canopy;<\/li><li>Real-time monitoring of fan performance;<\/li><li>Spectral analysis of fan vibrations and definition of the cause of failure.<\/li><\/ul><p><b>\u00a0<\/b><\/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<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-36e1b8e0 elementor-invisible\" data-id=\"36e1b8e0\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;animation&quot;:&quot;fadeInRight&quot;}\">\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-1c37c8b1 elementor-widget elementor-widget-heading\" data-id=\"1c37c8b1\" 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<h3 class=\"elementor-heading-title elementor-size-default\">Applications<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-18bc7a6a elementor-nav-menu--dropdown-none elementor-widget elementor-widget-global elementor-global-484 elementor-widget-nav-menu\" data-id=\"18bc7a6a\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;layout&quot;:&quot;vertical&quot;,&quot;submenu_icon&quot;:{&quot;value&quot;:&quot;&quot;,&quot;library&quot;:&quot;&quot;}}\" data-widget_type=\"nav-menu.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t<nav aria-label=\"Menu\" class=\"elementor-nav-menu--main elementor-nav-menu__container elementor-nav-menu--layout-vertical e--pointer-none\">\n\t\t\t\t<ul id=\"menu-1-18bc7a6a\" class=\"elementor-nav-menu sm-vertical\"><li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-6241\"><a href=\"https:\/\/www.ntsgen.com\/en\/civil-infrastructure\/\" class=\"elementor-item\">Civil Infrastructure<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-6238\"><a href=\"https:\/\/www.ntsgen.com\/en\/tower\/\" class=\"elementor-item\">Tower<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-6239\"><a href=\"https:\/\/www.ntsgen.com\/en\/bridges\/\" class=\"elementor-item\">Bridges<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-6242\"><a href=\"https:\/\/www.ntsgen.com\/en\/tunnel\/\" class=\"elementor-item\">Tunnel<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-3123\"><a href=\"https:\/\/www.ntsgen.com\/en\/autostrade\/\" class=\"elementor-item\">Road &#038; Motorways<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-6243\"><a href=\"https:\/\/www.ntsgen.com\/en\/railway\/\" class=\"elementor-item\">Railway<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-5480\"><a href=\"https:\/\/www.ntsgen.com\/en\/oilgas\/\" class=\"elementor-item\">Oil&#038;Gas<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-6051\"><a href=\"https:\/\/www.ntsgen.com\/en\/energy\/\" class=\"elementor-item\">Energy<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-6072\"><a href=\"https:\/\/www.ntsgen.com\/en\/aeolic\/\" class=\"elementor-item\">Aeolic<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-6054\"><a href=\"https:\/\/www.ntsgen.com\/en\/pipeline\/\" class=\"elementor-item\">Pipeline<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-6052\"><a href=\"https:\/\/www.ntsgen.com\/en\/dams\/\" class=\"elementor-item\">Dams<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-6244\"><a href=\"https:\/\/www.ntsgen.com\/en\/beni-culturali\/\" class=\"elementor-item\">Cultural Heritage<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-3122\"><a href=\"https:\/\/www.ntsgen.com\/en\/aviation\/\" class=\"elementor-item\">Aviation<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-3124\"><a href=\"https:\/\/www.ntsgen.com\/en\/aerospaziale\/\" class=\"elementor-item\">Aerospace<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-6053\"><a href=\"https:\/\/www.ntsgen.com\/en\/automotive\/\" class=\"elementor-item\">Automotive<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-6240\"><a href=\"https:\/\/www.ntsgen.com\/en\/nautical\/\" class=\"elementor-item\">Nautical<\/a><\/li>\n<\/ul>\t\t\t<\/nav>\n\t\t\t\t\t\t<nav class=\"elementor-nav-menu--dropdown elementor-nav-menu__container\" aria-hidden=\"true\">\n\t\t\t\t<ul id=\"menu-2-18bc7a6a\" class=\"elementor-nav-menu sm-vertical\"><li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-6241\"><a href=\"https:\/\/www.ntsgen.com\/en\/civil-infrastructure\/\" class=\"elementor-item\" tabindex=\"-1\">Civil Infrastructure<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-6238\"><a href=\"https:\/\/www.ntsgen.com\/en\/tower\/\" class=\"elementor-item\" tabindex=\"-1\">Tower<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-6239\"><a href=\"https:\/\/www.ntsgen.com\/en\/bridges\/\" class=\"elementor-item\" tabindex=\"-1\">Bridges<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-6242\"><a href=\"https:\/\/www.ntsgen.com\/en\/tunnel\/\" class=\"elementor-item\" tabindex=\"-1\">Tunnel<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-3123\"><a href=\"https:\/\/www.ntsgen.com\/en\/autostrade\/\" class=\"elementor-item\" tabindex=\"-1\">Road &#038; Motorways<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-6243\"><a href=\"https:\/\/www.ntsgen.com\/en\/railway\/\" class=\"elementor-item\" tabindex=\"-1\">Railway<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-5480\"><a href=\"https:\/\/www.ntsgen.com\/en\/oilgas\/\" class=\"elementor-item\" tabindex=\"-1\">Oil&#038;Gas<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-6051\"><a href=\"https:\/\/www.ntsgen.com\/en\/energy\/\" class=\"elementor-item\" tabindex=\"-1\">Energy<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-6072\"><a href=\"https:\/\/www.ntsgen.com\/en\/aeolic\/\" class=\"elementor-item\" tabindex=\"-1\">Aeolic<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-6054\"><a href=\"https:\/\/www.ntsgen.com\/en\/pipeline\/\" class=\"elementor-item\" tabindex=\"-1\">Pipeline<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-6052\"><a href=\"https:\/\/www.ntsgen.com\/en\/dams\/\" class=\"elementor-item\" tabindex=\"-1\">Dams<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-6244\"><a href=\"https:\/\/www.ntsgen.com\/en\/beni-culturali\/\" class=\"elementor-item\" tabindex=\"-1\">Cultural Heritage<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-3122\"><a href=\"https:\/\/www.ntsgen.com\/en\/aviation\/\" class=\"elementor-item\" tabindex=\"-1\">Aviation<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-3124\"><a href=\"https:\/\/www.ntsgen.com\/en\/aerospaziale\/\" class=\"elementor-item\" tabindex=\"-1\">Aerospace<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-6053\"><a href=\"https:\/\/www.ntsgen.com\/en\/automotive\/\" class=\"elementor-item\" tabindex=\"-1\">Automotive<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-6240\"><a href=\"https:\/\/www.ntsgen.com\/en\/nautical\/\" class=\"elementor-item\" tabindex=\"-1\">Nautical<\/a><\/li>\n<\/ul>\t\t\t<\/nav>\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-07ab5cd elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"07ab5cd\" 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-c80f63b\" data-id=\"c80f63b\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\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>The &#8220;OF Tunnel&#8221; system defines the optimal configuration for monitoring the quantities necessary to characterise the tensional state of a tunnel, its deformations in space and in the plane: &nbsp;its deterioration over time. The high degree of flexibility and scalability of the &#8220;OF Tunnel&#8221; System allows application on all types of tunnels, on structural or&hellip; <a class=\"more-link\" href=\"https:\/\/www.ntsgen.com\/en\/tunnel\/\">Continue reading <span class=\"screen-reader-text\">Tunnel<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":17361,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"elementor_header_footer","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-6108","page","type-page","status-publish","has-post-thumbnail","hentry","entry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Tunnel - NTSG<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.ntsgen.com\/en\/tunnel\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Tunnel - NTSG\" \/>\n<meta property=\"og:description\" content=\"The &#8220;OF Tunnel&#8221; system defines the optimal configuration for monitoring the quantities necessary to characterise the tensional state of a tunnel, its deformations in space and in the plane: &nbsp;its deterioration over time. 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