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On June 17, China's first high-altitude large diameter hard rock TBM 'Xueyu Xianfeng' or 'Pioneer on Snow-covered Plateau' (diameter: 10.33 meters) rolls off the production line at the National TBM Production Center of China Railway Engineering Equipment Group affiliated to CRHIC! It is not only an open-type TBM with the largest diameter currently known in China, but also the world's first dual-structure TBM. It is of great significance in strongly underpinning tunnel construction under extreme geological conditions. The equipment has a diameter of 10.33 meters, le...
发布时间: 2021 - 06 - 17
浏览次数:2
On the morning of June 4, the world's first large diameter (9.53m) TBM 'Funing' with an ultra-small turning radius, manufactured by China Railway Engineering Equipment Group Co., Ltd. affiliated to CRHIC, rolls off the production line in Tianjin. With a designed minimum turning radius of 90m and the a designed maximum longitudinal slope of 9.02%, the equipment has the smallest turning radius and the largest longitudinal slope in the world's large-diameter TBMs. It is a large-diameter TBM with ultra-small turning radius tailored by China Railway Engineering Equipment Group ...
发布时间: 2021 - 06 - 04
浏览次数:1
On May 25, China’s smallest diameter slurry balance TBM 'Hanfeng', developed by China Railway Engineering Equipment Group Co., Ltd. under CRHIC, successfully rolls off the production line. The equipment will be used in the Quality and Efficiency Improvement Project of Sewage Pipe Network in Quanshan District, Xuzhou City, Jiangsu Province.The equipment has an excavation diameter of 2.845 meters, a total length of 155 meters. It is mainly used in the sewage pipe network project of Xi 'an North Road, Jianguo West Road and Hubei Road in Xuzhou City, Jiangsu Province. The TBM will tunn...
发布时间: 2021 - 05 - 25
浏览次数:2
On May 6, CREC 820, the first three-mode TBM integrating slurry, earth pressure and hard rock TBMs in China, is successfully launched in the section from Luogang to Shuixi of Guangzhou Metro Line 7 Phase II project. The section from Luogang to Shuixi in Phase II Project of Guangzhou Metro Line 7 is 1086 meters long, and the buried depth is about 19-73 meters. It is densely distributed with full section hard rock stratum, soft soil layer and upper soft lower hard stratum. The hard rock stratum to be crossed by TBM is about 800 meters long, with average rock strength of 90 MPa and boulder p...
发布时间: 2021 - 05 - 06
浏览次数:2
On March 31, 2021, the atmospheric pressure cutterhead TBM “Changtong” with the world's smallest diameter (7.95m), developed by China Railway Engineering Equipment Group Co., Ltd. affiliated to CRHIC, is launched in Shanghai. The machine will be used in the Yangtze River Tunnel Project of China-Russia East-Route Natural Gas Pipeline Project (Yongqing-Shanghai), which is the longest underwater tunnel under construction, and it will set the record of underwater TBM blind heading distance in China.The China-Russia East-Route Natural Gas Pipeline Project, being an important strategic energy co...
发布时间: 2021 - 04 - 02
浏览次数:47
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