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On October 22, the large diameter (9.53m) ultra-small turning rock tunnel boring machine 'Funing' which is jointly developed by CREG and Sinohydro Bureau 11 was successfully launched. 'Funing' takes responsibility of boring 1030m for the traffic cave and ventilation cave of the power station. The total length of “Funing” is 85m with a minimum design turning radius of 90m, a maximum design longitudinal slope of 10%, which is extremely flexible in construction. Comparing to traditional blasting, ...
发布时间: 2021 - 10 - 22
浏览次数:1
On October 22, the ultra-small-turn rock tunnel boring machine (TBM) 'Jiguang' was launched at the Shanghai base of China Railway Equipment, a CRHIC subsidiary company, with a boring diameter of 3.53m and a full length of about 40m. It will bore nearly 3958 meters in the underground plant drainage corridor of Jinyu Power Station. The application of 'Jiguang' will effectively reduce the rock disturbance of cavern excavation, avoid blasting excavation, reduce construction risks, improve construction efficiency and molding quality, realize construction mechanization, standardizati...
发布时间: 2021 - 10 - 22
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On September 21, the 'China Railway No. 797', a super large diameter (13.46m) mud-water balance shield machine which was independently developed by CRHIC subsidiary company China Railway Equipment, broke out the hole, marking the successful completion of the boring task of road tunnel project under the Świna River in Poland, during which an excellent work of daily progress of 18 meters and monthly progress of 338 meters were delivered. The project attracted widespread attention from Polish society and on the occasion of the tunnel ...
发布时间: 2021 - 09 - 21
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On September 14, at the top of the majestic snow-capped mountains of Linzhi, Tibet, the world's first double-structured Rock TBM 'Snow Pioneer' which is independently developed by CREG, a CRHIC subsidiary company, was successfully launched. It is the an exemplary work that for the first time China using Rock TBM to construct a tunnel in the alpine region on the plateau.With a total length of 38 kilometres, the tunnel is a double-hole single-track tunnel, with an overall north-east to south-west alignment, an inlet elevation of 3,158...
发布时间: 2021 - 09 - 14
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On September 7, Caucasus, the world's largest diameter full face rock tunnal boring machine (TBM), was successfully assembled on site at the southern foot of the Caucasus Mountains at an altitude of more than 2,000 meters and began its march towards the start of the cave.With a boring diameter of 15.08 meters, a total length of 182 meters, a total weight of 3,900 tons, a maximum full thrust of 22,600 tons and a total power of 9,900 kilowatts, the 'Caucasus' is currently the world's largest single-shield rock tunnel boring machine. TBM 'Caucasus' was jointly de...
发布时间: 2021 - 09 - 07
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