{"id":2440,"date":"2020-11-18T06:10:39","date_gmt":"2020-11-18T06:10:39","guid":{"rendered":"http:\/\/tunnelingworld.com\/?p=2440"},"modified":"2020-11-18T06:10:39","modified_gmt":"2020-11-18T06:10:39","slug":"the-jakarta-to-bandung-hsr-first-milestone","status":"publish","type":"post","link":"https:\/\/tunnelingworld.com\/?p=2440","title":{"rendered":"The Jakarta to Bandung HSR First Milestone"},"content":{"rendered":"<p style=\"text-align: justify;\">On November 15th, <em>China Railway Group (CREC) Indonesia<\/em> delivered the first section of the Jakarta-Bandung high-speed railwa. The contractor achieved a significant milestone while tunneling for 1,285km in difficult geological conditions. For this purpose, the project department of CREC in Indonesia had applied various technologies in conjunction with the Three-step Temporary Inverted Arch Method, Three-step Temporary Transverse Support Excavation Method, CRD (Completely Randomized Designs).<\/p>\n<p style=\"text-align: justify;\">Over 90% of the tunnel work occurred at a depth of more than 30m underground. The maximum buried depth reported is 77.4m. The body of Tunnel 7 consists of clay, mudstone, and andesite, and 80 percent of the geology is V-grade surrounding rock.<\/p>\n<p style=\"text-align: justify;\">Amid the ongoing concerns about the pandemic situation, the CREC Indonesia has gone ahead with Jakarta-Bandung high-speed railway with full compliance to Covid19 measures. As a result, Tunnel 7 was completed in accordance with the schema.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>On November 15th, China Railway Group (CREC) Indonesia delivered the first section of the Jakarta-Bandung high-speed railwa. The contractor achieved a significant milestone while tunneling for 1,285km in difficult geological conditions. For this purpose, the project department of CREC in Indonesia had applied various technologies in conjunction with the Three-step Temporary Inverted Arch Method, Three-step Temporary Transverse Support Excavation Method, CRD (Completely Randomized Designs). Over 90% of the tunnel work occurred at a depth of more than 30m underground. The maximum buried depth reported is 77.4m. The body of Tunnel 7 consists of clay, mudstone, and andesite, and 80 percent [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":2441,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[41],"tags":[169,88,170,68],"class_list":["post-2440","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","tag-crec","tag-infrastructure","tag-jakarta","tag-tunnel","post--single"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>The Jakarta to Bandung HSR First Milestone - 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=2440\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The Jakarta to Bandung HSR First Milestone - Tunnelingworld\" \/>\n<meta property=\"og:description\" content=\"On November 15th, China Railway Group (CREC) Indonesia delivered the first section of the Jakarta-Bandung high-speed railwa. The contractor achieved a significant milestone while tunneling for 1,285km in difficult geological conditions. For this purpose, the project department of CREC in Indonesia had applied various technologies in conjunction with the Three-step Temporary Inverted Arch Method, Three-step Temporary Transverse Support Excavation Method, CRD (Completely Randomized Designs). Over 90% of the tunnel work occurred at a depth of more than 30m underground. The maximum buried depth reported is 77.4m. The body of Tunnel 7 consists of clay, mudstone, and andesite, and 80 percent [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/tunnelingworld.com\/?p=2440\" \/>\n<meta property=\"og:site_name\" content=\"Tunnelingworld\" \/>\n<meta property=\"article:published_time\" content=\"2020-11-18T06:10:39+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/tunnelingworld.com\/wp-content\/uploads\/2020\/11\/The-Jakarta-to-Bandung-HSR-First-Milestone-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"706\" \/>\n\t<meta property=\"og:image:height\" content=\"471\" \/>\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\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=2440#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/tunnelingworld.com\\\/?p=2440\"},\"author\":{\"name\":\"lyndamyer\",\"@id\":\"https:\\\/\\\/tunnelingworld.com\\\/#\\\/schema\\\/person\\\/8ddd744e434f1c1283e3fea3a42e20ee\"},\"headline\":\"The Jakarta to Bandung HSR First Milestone\",\"datePublished\":\"2020-11-18T06:10:39+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/tunnelingworld.com\\\/?p=2440\"},\"wordCount\":146,\"commentCount\":0,\"image\":{\"@id\":\"https:\\\/\\\/tunnelingworld.com\\\/?p=2440#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/tunnelingworld.com\\\/wp-content\\\/uploads\\\/2020\\\/11\\\/The-Jakarta-to-Bandung-HSR-First-Milestone-1.jpg\",\"keywords\":[\"CREC\",\"infrastructure\",\"Jakarta\",\"Tunnel\"],\"articleSection\":[\"News\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/tunnelingworld.com\\\/?p=2440\",\"url\":\"https:\\\/\\\/tunnelingworld.com\\\/?p=2440\",\"name\":\"The Jakarta to Bandung HSR First Milestone - 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