{"id":18300,"date":"2024-11-26T06:06:50","date_gmt":"2024-11-26T06:06:50","guid":{"rendered":"https:\/\/tunnelingworld.com\/?p=18300"},"modified":"2024-11-26T06:06:50","modified_gmt":"2024-11-26T06:06:50","slug":"concentration-of-bts-december-lecture-on-hs2-cross-passages","status":"publish","type":"post","link":"https:\/\/tunnelingworld.com\/?p=18300","title":{"rendered":"Concentration of BTS December lecture on HS2 cross passages"},"content":{"rendered":"<p style=\"text-align: justify;\">The subject of the British Tunnelling Society\u2019s December lecture is due to be HS2 cross passage construction.<\/p>\n<p style=\"text-align: justify;\">The discussion subject of the speakers from Skanska Costain Strabag (SCS), the joint venture responsible for Main Works Lots S1 and S2 on the high-speed rail project, is due to be about an integrated method for safely constructing the cross passages in challenging geological conditions between two TBM-driven running tunnels.<\/p>\n<p style=\"text-align: justify;\">Of the 20 cross passages to be constructed, artificial ground freezing (AGF) is being used on 14, and dewatering and depressurisation methods on three.<\/p>\n<p style=\"text-align: justify;\">Considering that AGF has been used primarily for rescue operations, due to the cost and time constraints its application in the UK has been limited and its use on HS2 is the most extensive AGF application undertaken on a single project in the UK.<\/p>\n<p style=\"text-align: justify;\">Additionally, Strabag UK tunnel agent Ala Hammad, Strabag UK tunnel engineering manager Phil Allvey, and SCS JV lead tunnel engineering manager Dave Terry is also going to discuss lessons learned from this approach, providing insights for future projects.<\/p>\n<p style=\"text-align: justify;\">The scheduled date for holding this lecture at the Institution of Civil Engineers, 1 Great George St, London SW1P 3AA is December 12 and will also be streamed live.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The subject of the British Tunnelling Society\u2019s December lecture is due to be HS2 cross passage construction. The discussion subject of the speakers from Skanska Costain Strabag (SCS), the joint venture responsible for Main Works Lots S1 and S2 on the high-speed rail project, is due to be about an integrated method for safely constructing the cross passages in challenging geological conditions between two TBM-driven running tunnels. Of the 20 cross passages to be constructed, artificial ground freezing (AGF) is being used on 14, and dewatering and depressurisation methods on three. Considering that AGF has been used primarily for rescue [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":18301,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[42],"tags":[2630,4450,576,47,48],"class_list":["post-18300","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-events","tag-british-tunnelling-society","tag-december-lecture","tag-hs2-ltd","tag-tunneling","tag-uk","post--single"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Concentration of BTS December lecture on HS2 cross passages - Tunnelingworld<\/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:\/\/tunnelingworld.com\/?p=18300\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Concentration of BTS December lecture on HS2 cross passages - Tunnelingworld\" \/>\n<meta property=\"og:description\" content=\"The subject of the British Tunnelling Society\u2019s December lecture is due to be HS2 cross passage construction. The discussion subject of the speakers from Skanska Costain Strabag (SCS), the joint venture responsible for Main Works Lots S1 and S2 on the high-speed rail project, is due to be about an integrated method for safely constructing the cross passages in challenging geological conditions between two TBM-driven running tunnels. Of the 20 cross passages to be constructed, artificial ground freezing (AGF) is being used on 14, and dewatering and depressurisation methods on three. Considering that AGF has been used primarily for rescue [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/tunnelingworld.com\/?p=18300\" \/>\n<meta property=\"og:site_name\" content=\"Tunnelingworld\" \/>\n<meta property=\"article:published_time\" content=\"2024-11-26T06:06:50+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/tunnelingworld.com\/wp-content\/uploads\/2024\/11\/Concentration-of-BTS-December-lecture-on-HS2-cross-passages.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"435\" \/>\n\t<meta property=\"og:image:height\" content=\"430\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"rosebell\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"rosebell\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/tunnelingworld.com\\\/?p=18300#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/tunnelingworld.com\\\/?p=18300\"},\"author\":{\"name\":\"rosebell\",\"@id\":\"https:\\\/\\\/tunnelingworld.com\\\/#\\\/schema\\\/person\\\/4d2f4182b445645aa0b79f3f43560eba\"},\"headline\":\"Concentration of BTS December lecture on HS2 cross passages\",\"datePublished\":\"2024-11-26T06:06:50+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/tunnelingworld.com\\\/?p=18300\"},\"wordCount\":209,\"image\":{\"@id\":\"https:\\\/\\\/tunnelingworld.com\\\/?p=18300#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/tunnelingworld.com\\\/wp-content\\\/uploads\\\/2024\\\/11\\\/Concentration-of-BTS-December-lecture-on-HS2-cross-passages.jpg\",\"keywords\":[\"British Tunnelling Society\",\"December lecture\",\"HS2 Ltd\",\"Tunneling\",\"UK\"],\"articleSection\":[\"Events\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/tunnelingworld.com\\\/?p=18300\",\"url\":\"https:\\\/\\\/tunnelingworld.com\\\/?p=18300\",\"name\":\"Concentration of BTS December lecture on HS2 cross passages - 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