{"id":11561,"date":"2021-04-07T15:28:12","date_gmt":"2021-04-07T22:28:12","guid":{"rendered":"https:\/\/www.robbinstbm.com\/?p=11561"},"modified":"2021-08-30T07:25:00","modified_gmt":"2021-08-30T14:25:00","slug":"most-momentous-blog","status":"publish","type":"post","link":"https:\/\/www.robbinstbm.com\/es\/most-momentous-blog\/","title":{"rendered":"Most Momentous: 2021 Global Project Updates"},"content":{"rendered":"

From China\u2019s largest Crossover TBM launch to an epic 13.77 m diameter XRE that began boring recently in Esme, Turkey, we’ve compiled the year’s most momentous events thus far. Read on to find out about Robbins machines embarking on tunnels large and larger.<\/p>\n

Twin Crossover TBMs for Chongqing<\/h3>\n

Two 6.91 m (22.6 ft) diameter XRE machines are currently boring sections of the Chongqing Metro Phase 2 in ground conditions ranging from weathered mixed granite to weathered pegmatite and adamellite. The twin machines are the first of their kind in China, and are part of a trend towards more geologically challenging tunnels in China. To date, the machines have achieved up to 365 m (1,197 ft) advance in one month, with rates expected to ramp up as the machines progress.<\/p>\n

\"Chongqing

The team takes a moment to mark the assembly of one of two Robbins Crossover machines in Chongqing, China.<\/p><\/div>\n

An Epic XRE Launch in Esme<\/h3>\n

In Esme, Turkey, a massive 13.77 m (45.2 ft) diameter Crossover XRE TBM<\/a> began its bore for contractor Kolin Construction. Launched in late March 2021, the unique TBM is designed to tackle mixed ground conditions including sandstone, gravelstone, claystone and siltstone along the 3.05 km (1.9 mi) Esme-Salihli Railway Tunnel. The XRE can swiftly convert between hard rock mode using a belt conveyor and EPB mode using a screw conveyor, as both remain in place inside the machine.<\/p>\n

\"Esme

Launch of the 13.77 m diameter Robbins XRE TBM for Turkey’s Esme-Salihli Rail Tunnel.<\/p><\/div>\n

Tunneling below Lake Ontario<\/h3>\n

A Robbins 7.95 m (26.1 ft) diameter Single Shield TBM launched recently on March 26th from an 85 m (280 ft) deep, 14 m (46 ft) diameter shaft. The machine, for the Ashbridges Bay Outfall with contractor Southland Holdings LLC in Toronto, ON, Canada has the task of boring a 3.5 km (2.2 mi) long tunnel below Lake Ontario. The completed tunnel will connect up to 50 in-lake risers to enable efficient dispersion of treated effluent over a wide area of the lake.<\/p>\n

\"Asbridges

The Robbins Single Shield TBM for the Ashbridges Bay Outfall Tunnel launched on March 26, 2021. Photo: Alfredo Garrido<\/em><\/p><\/div>\n

China’s Largest Crossover TBM<\/h3>\n

The largest ever\u00a0Crossover (XRE) TBM<\/a> in China launched in late March 2021 in Guangzhou for contractors Sichuan Jinshi Heavy Equipment Leasing Co., Ltd and CREC Bureau 2. Onsite First Time Assembly (OFTA) was utilized to build the 9.16 m (30 ft) diameter Robbins TBM, taking just four months from contract signing to machine launch. The hybrid machine is boring the 2.5 km (1.6 mi) long Pazhou Line Lot PZH-1 of the Pearl River Delta Intercity Railway Project<\/a>, which will offer better commutes for Guangzhou residents traveling to and from University City.<\/p>\n

\"Pearl

The Robbins Crossover XRE TBM at the Pearl River Delta site was assembled using Onsite First Time Assembly in just four months from contract signing.<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"

From China\u2019s largest Crossover TBM launch to an epic 13.77 m diameter XRE that began boring in Esme, Turkey, we’ve compiled the year’s most momentous events thus far. <\/p>\n","protected":false},"author":9,"featured_media":11562,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":"","_links_to":"","_links_to_target":""},"categories":[29,102],"tags":[],"class_list":["post-11561","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-29","category-from-the-field-zh-hans"],"acf":[],"yoast_head":"\nMost Momentous: 2021 Global Project Updates - 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\/most-momentous-blog\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Most Momentous: 2021 Global Project Updates - 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