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On February 12, the last segment of the arch rib was accurately hoisted in place, marking the successful closure of Science and Technology City Fujiang Bridge in Mianyang, Sichuan Province. China Railway Jiujiang Bridge Engineering Co., Ltd. affiliated to CRHIC participated the construction of the bridge. Being 603 meters long, the main bridge is designed as a through steel box girder x-arch bridge, with main span of 255 meters and main arch of 62 meters high. It adopts two-way six-lane design, flanked by non-motor vehicle lane and sidewalk.The bridge's steel structure amounts to 84 sectio...
发布时间: 2023 - 02 - 13
On February 7, TBM 'Jishi No.1' (CREC 1250) developed by China Railway Engineering Equipment Group Co., Ltd. (CREG) under CRHIC rolled off production line in Zhengzhou. With excavation diameter of 8.33 meters, the EPB shield machine is the first TBM applied to the metro line. CREG's project team has innovatively designed and carefully manufactured the equipment based on the engineering geology, thus the machine can effectively handle clogging and such complex geological conditions as confined water formation, long distance fine sand, medium gravel layer and round gravel layer.
发布时间: 2023 - 02 - 08
The World's First Hard Rock Slurry Balance Pipe-Jacking Shield Machine Rolls off Production LineOn January 11, 'CREC 1268', the world's first hard rock slurry balance pipe-jacking shield machine jointly developed by China Railway Engineering Equipment Group Co., Ltd. (CREG) under CRHIC, Changsha Water Group, China Construction Fifth Group and Anhui Yuanzu Construction Co., Ltd., rolled off production line at CREG Nanchang Base. With excavation diameter of 3.68 meters, the machine innovatively adopted the design concept of 'pipe jacking + shield', which can effectively c...
发布时间: 2023 - 01 - 12
Kiloton Class Single-Girder Bridge Erecting Machine Completes Erection out of Tunnel Entrance for the First TimeRecently, in the bid section of China Railway No.8 Engineering Group Co., Ltd. of Chengdu-Zigong Railway, the kiloton-class single-girder transport and erection equipment developed by China Railway Science and Industry Group Co., Ltd. under CRHIC successfully completed erection for the first time out of the No.3 Longquan Mountain Tunnel entrance. This is the first time that the company's kiloton-class single-girder bridge erecting machine has completed erection out of tunnel entr...
发布时间: 2023 - 01 - 04
The first round manufacturing of the main channel bridge steel tower and steel truss girder of Changtai Yangtze River Bridge passes acceptanceRecently, the first round manufacturing for the main structure main channel bridge steel tower and steel truss girder of Lot CT-A5 of Changtai Yangtze River Bridge (river-crossing section), the world's largest span cable-stayed bridge for both highway and railway, passed acceptance. With relentless technical research and development in the process of processing and manufacturing, the project team has worked out manufacturing accuracy control technolo...
发布时间: 2022 - 12 - 13
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