{"id":13867,"date":"2023-11-22T11:28:39","date_gmt":"2023-11-22T11:28:39","guid":{"rendered":"https:\/\/tunnelingworld.com\/?p=13867"},"modified":"2023-11-22T11:28:39","modified_gmt":"2023-11-22T11:28:39","slug":"silkyara-bend-barkot-tunnel-surveying-multiple-options-to-rescue-trapped-workers","status":"publish","type":"post","link":"https:\/\/tunnelingworld.com\/?p=13867","title":{"rendered":"Silkyara Bend-Barkot Tunnel &#8211; Surveying Multiple Options to Rescue Trapped Workers"},"content":{"rendered":"<p style=\"text-align: justify;\">In order to releasing the 41 workers still are trapped following a part collapse in the Silkyara Bend-Barkot Tunnel in India, preparations are undergoing to construct vertical shafts.<\/p>\n<p style=\"text-align: justify;\">According to ITA president Arnold Dix&#8217;s report to T&#038;TI: &#8220;Several options were being considered, including vertical shafts. Preparations for vertical options are under way. Multiple concurrent options, including horizontal access, were being considered.&#8221;<\/p>\n<p style=\"text-align: justify;\">Due to boulders that blocked the auger, creating an escape route by jacking a 900mm-diameter pipe through the collapse debris as well as digging an 800mm auger, which were the initial solutions, failed.<\/p>\n<p style=\"text-align: justify;\">Through a jacked 120mm diameter steel pipe food, water and oxygen are supplied for workers.<\/p>\n<p style=\"text-align: justify;\">Additionally, Himalayan region&#8217;s geology is very complex and the rescue operation is encountering a mixture of soft ground and hard boulders.<\/p>\n<p style=\"text-align: justify;\">With intention of providing an all-weather route to decrease travel distance by almost 20km between Dharasu and Yamunotri, the 4.5km Silkyara Bend-Barkot Tunnel is being developed for <a href=\"https:\/\/nhidcl.com\/welcome-to-nhidcl\/\" target=\"_blank\" rel=\"noopener\">National Highways and Infrastructure Development Corporation (NHIDCL)<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In order to releasing the 41 workers still are trapped following a part collapse in the Silkyara Bend-Barkot Tunnel in India, preparations are undergoing to construct vertical shafts. According to ITA president Arnold Dix&#8217;s report to T&#038;TI: &#8220;Several options were being considered, including vertical shafts. Preparations for vertical options are under way. Multiple concurrent options, including horizontal access, were being considered.&#8221; Due to boulders that blocked the auger, creating an escape route by jacking a 900mm-diameter pipe through the collapse debris as well as digging an 800mm auger, which were the initial solutions, failed. Through a jacked 120mm diameter steel [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":13869,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[41,43],"tags":[55,3600,3589,3598,47],"class_list":["post-13867","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","category-project-show-case","tag-india","tag-multiple-options","tag-rescue-mission","tag-silkyara-bend-barkot-tunnel-project","tag-tunneling","post--single"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Silkyara Bend-Barkot Tunnel - Multiple Options to Rescue Workers - Tunnelingworld<\/title>\n<meta name=\"description\" content=\"Vertical shafts are going to be constructed to release the workers trapped following a part collapse in the Silkyara Bend-Barkot Tunnel.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/tunnelingworld.com\/?p=13867\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Silkyara Bend-Barkot Tunnel - Multiple Options to Rescue Workers - Tunnelingworld\" \/>\n<meta property=\"og:description\" content=\"Vertical shafts are going to be constructed to release the workers trapped following a part collapse in the Silkyara Bend-Barkot Tunnel.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/tunnelingworld.com\/?p=13867\" \/>\n<meta property=\"og:site_name\" content=\"Tunnelingworld\" \/>\n<meta property=\"article:published_time\" content=\"2023-11-22T11:28:39+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/tunnelingworld.com\/wp-content\/uploads\/2023\/11\/Silkyara-Bend-Tunnel-Location-3.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"596\" \/>\n\t<meta property=\"og:image:height\" content=\"800\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"lyndamyer\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"lyndamyer\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/tunnelingworld.com\\\/?p=13867#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/tunnelingworld.com\\\/?p=13867\"},\"author\":{\"name\":\"lyndamyer\",\"@id\":\"https:\\\/\\\/tunnelingworld.com\\\/#\\\/schema\\\/person\\\/8ddd744e434f1c1283e3fea3a42e20ee\"},\"headline\":\"Silkyara Bend-Barkot Tunnel &#8211; 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