{"id":20582,"date":"2026-09-28T10:00:03","date_gmt":"2026-09-28T10:00:03","guid":{"rendered":"https:\/\/tunnelingworld.com\/?p=20582"},"modified":"2026-09-28T10:00:03","modified_gmt":"2026-09-28T10:00:03","slug":"marti-completes-bern-station-cavern-shells","status":"publish","type":"post","link":"https:\/\/tunnelingworld.com\/?p=20582","title":{"rendered":"Marti completes Bern station cavern shells"},"content":{"rendered":"<p>Marti has completed the shell of two caverns for Bern\u2019s new railway station.<\/p>\n<p>The ARGE Marti RBS Lot 1.3 consortium has built the caverns 23m below the existing station without interrupting railway operations.<\/p>\n<p>Bern station is the second largest on Switzerland\u2019s rail network.<\/p>\n<p>The caverns are each 17m high, about 200m long and 24m wide and required 144,200m<sup>3<\/sup> of excavation and 43,466m<sup>3<\/sup> of cast concrete. The centrepiece of the project is the ribbed vault comprising 84 exposed concrete blocks. It was built using a 260-tonne formwork trolley developed for the project.<\/p>\n<p>Conventional concrete formulations were not suitable for the construction so Marti used its Quantum compound, a self-compacting exposed concrete with a lower cement content.<\/p>\n<p>The consortium, comprising Marti Technik, Marti Tunnel and Marti AG Bern under the leadership of Marti Dienstleistungen, will now fit out the stations and install technical equipment.<\/p>\n<p>Regionalverkehr Bern-Solothurn\u2019s (RBS) existing Bern station opened in 1965 with a daily capacity of 16,000 pas\u00adsen\u00adgers \u2013 way below the 60,000 people who use the station today. The station could not be expanded so a new station is being built under tracks two to seven.<\/p>\n<p>Each of the two large under\u00adground halls houses two tracks and a 12m-wide central plat\u00adform.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Marti has completed the shell of two caverns for Bern\u2019s new railway station. The ARGE Marti RBS Lot 1.3 consortium has built the caverns 23m below the existing station without interrupting railway operations. Bern station is the second largest on Switzerland\u2019s rail network. The caverns are each 17m high, about 200m long and 24m wide and required 144,200m3 of excavation and 43,466m3 of cast concrete. The centrepiece of the project is the ribbed vault comprising 84 exposed concrete blocks. It was built using a 260-tonne formwork trolley developed for the project. Conventional concrete formulations were not suitable for the construction [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":20583,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[42],"tags":[5604,5602,5603],"class_list":["post-20582","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-events","tag-arge-marti-rbs-lot-1-3","tag-bern-station-caverns","tag-marti","post--single"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Marti Completes Bern Station Cavern Shells in Switzerland<\/title>\n<meta name=\"description\" content=\"Marti has completed the shells of two underground caverns for Bern\u2019s new railway station, built 23m below the existing station.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, 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