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
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02
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08
浏览次数：2
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
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01
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12
浏览次数：3
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
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01
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04
浏览次数：6
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
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12
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13
浏览次数：3
On-site large segment assembly of non-navigable span bridge in flood discharge area and shoal area of Shenzhen-Zhongshan Bridge Project completedRecently, the 110m large segment welding of the non-navigable span bridge in the last flood discharge area was completed, marking that the on-site assembly of 46 large segments for the non-navigable span bridge in the flood discharge area and shoal area of Shenzhen-Zhongshan Bridge project undertaken by China Railway Shanhaiguan Bridge Group Co., Ltd. under CRHIC was successfully completed. Shenzhen-Zhongshan Bridge is the world's largest sea-cros...
发布时间:
2022
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12
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07
浏览次数：3