{"id":11468,"date":"2020-11-23T12:48:47","date_gmt":"2020-11-23T20:48:47","guid":{"rendered":"https:\/\/robbinstbm.com\/?p=11468"},"modified":"2021-09-02T18:33:31","modified_gmt":"2021-09-03T01:33:31","slug":"karst-webinar-video","status":"publish","type":"post","link":"https:\/\/www.robbinstbm.com\/zh-hans\/karst-webinar-video\/","title":{"rendered":"Encountering Caverns in France: TBM Tunneling in Karst Conditions"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"

France’s recently completed Galerie des Janots featured some unexpected challenges: Karst cavities large and small were found throughout the bore as well as two large, uncharted caverns. During excavation with a Main Beam TBM, crews encountered an 8,000 cubic meter cavern studded with stalagmites and a 4,500 cubic meter cavity directly below the bore path. How did the crew overcome the conditions and continue past the voids?<\/p>\n","protected":false},"author":2,"featured_media":10845,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":"","_links_to":"","_links_to_target":""},"categories":[68],"tags":[],"class_list":["post-11468","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-videos-zh-hans"],"acf":[],"yoast_head":"\nEncountering Caverns in France: TBM Tunneling in Karst Conditions - Robbins<\/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.robbinstbm.com\/karst-webinar-video\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Encountering Caverns in France: TBM Tunneling in Karst Conditions - Robbins\" \/>\n<meta property=\"og:description\" content=\"France's recently completed Galerie des Janots featured some unexpected challenges: Karst cavities large and small were found throughout the bore as well as two large, uncharted caverns. During excavation with a Main Beam TBM, crews encountered an 8,000 cubic meter cavern studded with stalagmites and a 4,500 cubic meter cavity directly below the bore path. How did the crew overcome the conditions and continue past the voids?\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.robbinstbm.com\/karst-webinar-video\/\" \/>\n<meta property=\"og:site_name\" content=\"Robbins\" \/>\n<meta property=\"article:published_time\" content=\"2020-11-23T20:48:47+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2021-09-03T01:33:31+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.robbinstbm.com\/wp-content\/uploads\/2019\/05\/Image-4-1024x683.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1024\" \/>\n\t<meta property=\"og:image:height\" content=\"683\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Robbins\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@Robbins_Co\" \/>\n<meta name=\"twitter:site\" content=\"@Robbins_Co\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Robbins\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.robbinstbm.com\/karst-webinar-video\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.robbinstbm.com\/karst-webinar-video\/\"},\"author\":{\"name\":\"Robbins\",\"@id\":\"https:\/\/www.robbinstbm.com\/#\/schema\/person\/5fb6775f0b2b170edca2e3bdc16be280\"},\"headline\":\"Encountering Caverns in France: TBM Tunneling in Karst Conditions\",\"datePublished\":\"2020-11-23T20:48:47+00:00\",\"dateModified\":\"2021-09-03T01:33:31+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.robbinstbm.com\/karst-webinar-video\/\"},\"wordCount\":9,\"publisher\":{\"@id\":\"https:\/\/www.robbinstbm.com\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.robbinstbm.com\/karst-webinar-video\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.robbinstbm.com\/wp-content\/uploads\/2019\/05\/Image-4.jpg\",\"articleSection\":[\"\u89c6\u9891\"],\"inLanguage\":\"zh-CN\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.robbinstbm.com\/karst-webinar-video\/\",\"url\":\"https:\/\/www.robbinstbm.com\/karst-webinar-video\/\",\"name\":\"Encountering Caverns in France: TBM Tunneling in Karst Conditions - Robbins\",\"isPartOf\":{\"@id\":\"https:\/\/www.robbinstbm.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.robbinstbm.com\/karst-webinar-video\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.robbinstbm.com\/karst-webinar-video\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.robbinstbm.com\/wp-content\/uploads\/2019\/05\/Image-4.jpg\",\"datePublished\":\"2020-11-23T20:48:47+00:00\",\"dateModified\":\"2021-09-03T01:33:31+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/www.robbinstbm.com\/karst-webinar-video\/#breadcrumb\"},\"inLanguage\":\"zh-CN\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.robbinstbm.com\/karst-webinar-video\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-CN\",\"@id\":\"https:\/\/www.robbinstbm.com\/karst-webinar-video\/#primaryimage\",\"url\":\"https:\/\/www.robbinstbm.com\/wp-content\/uploads\/2019\/05\/Image-4.jpg\",\"contentUrl\":\"https:\/\/www.robbinstbm.com\/wp-content\/uploads\/2019\/05\/Image-4.jpg\",\"width\":3600,\"height\":2400,\"caption\":\"The first cavern, encountered at the 1,035 m (3,395 ft) mark, was grazed by the TBM shield on one side and was studded with stalactites and stalagmites.\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.robbinstbm.com\/karst-webinar-video\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.robbinstbm.com\/zh-hans\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Encountering Caverns in France: TBM Tunneling in Karst Conditions\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.robbinstbm.com\/#website\",\"url\":\"https:\/\/www.robbinstbm.com\/\",\"name\":\"Robbins\",\"description\":\"Reliable | Responsive\",\"publisher\":{\"@id\":\"https:\/\/www.robbinstbm.com\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.robbinstbm.com\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"zh-CN\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.robbinstbm.com\/#organization\",\"name\":\"Robbins\",\"url\":\"https:\/\/www.robbinstbm.com\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-CN\",\"@id\":\"https:\/\/www.robbinstbm.com\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.robbinstbm.com\/wp-content\/uploads\/2021\/02\/RobbinsLogoColor_Small-Converted-scaled.jpg\",\"contentUrl\":\"https:\/\/www.robbinstbm.com\/wp-content\/uploads\/2021\/02\/RobbinsLogoColor_Small-Converted-scaled.jpg\",\"width\":2560,\"height\":929,\"caption\":\"Robbins\"},\"image\":{\"@id\":\"https:\/\/www.robbinstbm.com\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/x.com\/Robbins_Co\",\"https:\/\/www.instagram.com\/therobbinscompany\/\",\"https:\/\/www.linkedin.com\/groups\/4246982\/\",\"http:\/\/www.youtube.com\/user\/TheRobbinsCo\"]},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.robbinstbm.com\/#\/schema\/person\/5fb6775f0b2b170edca2e3bdc16be280\",\"name\":\"Robbins\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-CN\",\"@id\":\"https:\/\/www.robbinstbm.com\/wp-content\/uploads\/2017\/04\/avatar_user_2_1493131025-96x96.png\",\"url\":\"https:\/\/www.robbinstbm.com\/wp-content\/uploads\/2017\/04\/avatar_user_2_1493131025-96x96.png\",\"contentUrl\":\"https:\/\/www.robbinstbm.com\/wp-content\/uploads\/2017\/04\/avatar_user_2_1493131025-96x96.png\",\"caption\":\"Robbins\"},\"sameAs\":[\"http:\/\/www.linkedin.com\/groups\/Robbins-TBM-4246982?trk=myg_ugrp_ovr\"],\"url\":\"https:\/\/www.robbinstbm.com\/zh-hans\/author\/the-robbins-company\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Encountering Caverns in France: TBM Tunneling in Karst Conditions - Robbins","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.robbinstbm.com\/karst-webinar-video\/","og_locale":"zh_CN","og_type":"article","og_title":"Encountering Caverns in France: TBM Tunneling in Karst Conditions - Robbins","og_description":"France's recently completed Galerie des Janots featured some unexpected challenges: Karst cavities large and small were found throughout the bore as well as two large, uncharted caverns. During excavation with a Main Beam TBM, crews encountered an 8,000 cubic meter cavern studded with stalagmites and a 4,500 cubic meter cavity directly below the bore path. How did the crew overcome the conditions and continue past the voids?","og_url":"https:\/\/www.robbinstbm.com\/karst-webinar-video\/","og_site_name":"Robbins","article_published_time":"2020-11-23T20:48:47+00:00","article_modified_time":"2021-09-03T01:33:31+00:00","og_image":[{"width":1024,"height":683,"url":"https:\/\/www.robbinstbm.com\/wp-content\/uploads\/2019\/05\/Image-4-1024x683.jpg","type":"image\/jpeg"}],"author":"Robbins","twitter_card":"summary_large_image","twitter_creator":"@Robbins_Co","twitter_site":"@Robbins_Co","twitter_misc":{"Written by":"Robbins"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.robbinstbm.com\/karst-webinar-video\/#article","isPartOf":{"@id":"https:\/\/www.robbinstbm.com\/karst-webinar-video\/"},"author":{"name":"Robbins","@id":"https:\/\/www.robbinstbm.com\/#\/schema\/person\/5fb6775f0b2b170edca2e3bdc16be280"},"headline":"Encountering Caverns in France: TBM Tunneling in Karst Conditions","datePublished":"2020-11-23T20:48:47+00:00","dateModified":"2021-09-03T01:33:31+00:00","mainEntityOfPage":{"@id":"https:\/\/www.robbinstbm.com\/karst-webinar-video\/"},"wordCount":9,"publisher":{"@id":"https:\/\/www.robbinstbm.com\/#organization"},"image":{"@id":"https:\/\/www.robbinstbm.com\/karst-webinar-video\/#primaryimage"},"thumbnailUrl":"https:\/\/www.robbinstbm.com\/wp-content\/uploads\/2019\/05\/Image-4.jpg","articleSection":["\u89c6\u9891"],"inLanguage":"zh-CN"},{"@type":"WebPage","@id":"https:\/\/www.robbinstbm.com\/karst-webinar-video\/","url":"https:\/\/www.robbinstbm.com\/karst-webinar-video\/","name":"Encountering Caverns in France: TBM Tunneling in Karst Conditions - Robbins","isPartOf":{"@id":"https:\/\/www.robbinstbm.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.robbinstbm.com\/karst-webinar-video\/#primaryimage"},"image":{"@id":"https:\/\/www.robbinstbm.com\/karst-webinar-video\/#primaryimage"},"thumbnailUrl":"https:\/\/www.robbinstbm.com\/wp-content\/uploads\/2019\/05\/Image-4.jpg","datePublished":"2020-11-23T20:48:47+00:00","dateModified":"2021-09-03T01:33:31+00:00","breadcrumb":{"@id":"https:\/\/www.robbinstbm.com\/karst-webinar-video\/#breadcrumb"},"inLanguage":"zh-CN","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.robbinstbm.com\/karst-webinar-video\/"]}]},{"@type":"ImageObject","inLanguage":"zh-CN","@id":"https:\/\/www.robbinstbm.com\/karst-webinar-video\/#primaryimage","url":"https:\/\/www.robbinstbm.com\/wp-content\/uploads\/2019\/05\/Image-4.jpg","contentUrl":"https:\/\/www.robbinstbm.com\/wp-content\/uploads\/2019\/05\/Image-4.jpg","width":3600,"height":2400,"caption":"The first cavern, encountered at the 1,035 m (3,395 ft) mark, was grazed by the TBM shield on one side and was studded with stalactites and stalagmites."},{"@type":"BreadcrumbList","@id":"https:\/\/www.robbinstbm.com\/karst-webinar-video\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.robbinstbm.com\/zh-hans\/"},{"@type":"ListItem","position":2,"name":"Encountering Caverns in France: TBM Tunneling in Karst Conditions"}]},{"@type":"WebSite","@id":"https:\/\/www.robbinstbm.com\/#website","url":"https:\/\/www.robbinstbm.com\/","name":"Robbins","description":"Reliable | Responsive","publisher":{"@id":"https:\/\/www.robbinstbm.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.robbinstbm.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"zh-CN"},{"@type":"Organization","@id":"https:\/\/www.robbinstbm.com\/#organization","name":"Robbins","url":"https:\/\/www.robbinstbm.com\/","logo":{"@type":"ImageObject","inLanguage":"zh-CN","@id":"https:\/\/www.robbinstbm.com\/#\/schema\/logo\/image\/","url":"https:\/\/www.robbinstbm.com\/wp-content\/uploads\/2021\/02\/RobbinsLogoColor_Small-Converted-scaled.jpg","contentUrl":"https:\/\/www.robbinstbm.com\/wp-content\/uploads\/2021\/02\/RobbinsLogoColor_Small-Converted-scaled.jpg","width":2560,"height":929,"caption":"Robbins"},"image":{"@id":"https:\/\/www.robbinstbm.com\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/x.com\/Robbins_Co","https:\/\/www.instagram.com\/therobbinscompany\/","https:\/\/www.linkedin.com\/groups\/4246982\/","http:\/\/www.youtube.com\/user\/TheRobbinsCo"]},{"@type":"Person","@id":"https:\/\/www.robbinstbm.com\/#\/schema\/person\/5fb6775f0b2b170edca2e3bdc16be280","name":"Robbins","image":{"@type":"ImageObject","inLanguage":"zh-CN","@id":"https:\/\/www.robbinstbm.com\/wp-content\/uploads\/2017\/04\/avatar_user_2_1493131025-96x96.png","url":"https:\/\/www.robbinstbm.com\/wp-content\/uploads\/2017\/04\/avatar_user_2_1493131025-96x96.png","contentUrl":"https:\/\/www.robbinstbm.com\/wp-content\/uploads\/2017\/04\/avatar_user_2_1493131025-96x96.png","caption":"Robbins"},"sameAs":["http:\/\/www.linkedin.com\/groups\/Robbins-TBM-4246982?trk=myg_ugrp_ovr"],"url":"https:\/\/www.robbinstbm.com\/zh-hans\/author\/the-robbins-company\/"}]}},"_links":{"self":[{"href":"https:\/\/www.robbinstbm.com\/zh-hans\/wp-json\/wp\/v2\/posts\/11468","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.robbinstbm.com\/zh-hans\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.robbinstbm.com\/zh-hans\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.robbinstbm.com\/zh-hans\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.robbinstbm.com\/zh-hans\/wp-json\/wp\/v2\/comments?post=11468"}],"version-history":[{"count":0,"href":"https:\/\/www.robbinstbm.com\/zh-hans\/wp-json\/wp\/v2\/posts\/11468\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.robbinstbm.com\/zh-hans\/wp-json\/wp\/v2\/media\/10845"}],"wp:attachment":[{"href":"https:\/\/www.robbinstbm.com\/zh-hans\/wp-json\/wp\/v2\/media?parent=11468"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.robbinstbm.com\/zh-hans\/wp-json\/wp\/v2\/categories?post=11468"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.robbinstbm.com\/zh-hans\/wp-json\/wp\/v2\/tags?post=11468"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}