Recently, the 'Development and Application of Gantry Welding Robot' project undertaken by CRHIC's Intelligent Engineering Research Institute passed acceptance and was put into use.The gantry type intelligent steel bridge diaphragm welding robot independently developed by CRHIC has improved the programming efficiency and flexibility level of welding robot in the welding of steel bridge diaphragm units, greatly reducing the preparation time before welding; it enables overall scanning and positioning for the structural parts of the large size steel bridge to be welded, which enhances ...
发布时间:
2022
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10
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14
浏览次数:1
On September 20, the earth pressure balance shield machine 'Shancheng Zhengxian' (CREC 1221) developed by China Railway Engineering Equipment Group Co., Ltd. under CRHIC rolled off production line in Deyang Base.With excavation diameter of 8.83 meters, total length about 106 meters and weight being 1,100 tons, the machine will be used in the Chongqing Metro Line 27 Lot 10 project constructed by China Construction Third Engineering Bureau Group. The R&D team has adopted targeted design to solve the difficulties in large cross-section and long distance tunneling, segment floating and...
发布时间:
2022
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09
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20
浏览次数:1
Recently, there was good news from the Italian CEPAV railway project that CREC 699 shield machine successfully passed through the first section of the project. This machine is the first shield machine exported to Italy by China Railway Engineering Equipment Group Co., Ltd. under CRHIC, and it is also the first time that China’s high-tend tunneling equipment has been successfully applied in Italy.The CEPAV project is a high-speed railway connecting Brescia to Vernna in Italy, which is an important high-speed railway line running through the Italian mainland and connecting France. The project co...
发布时间:
2022
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09
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19
浏览次数:4
Chengdu West Line Cross-Jiangxi River Bridge Is ClosedThe top closure segment was properly lifted to the predetermined position recently, marking the successful closure of 'Chengdu West Line Cross-Jiangxi River Bridge', the difficult and special-shaped arch bridge in China. China Railway Shanhaiguan Bridge Group Co., Ltd. affiliated to CRHIC participated in the bridge construction. As the bridge's arch ribs are spatially twisted and the main arch's steel structure wall plate is hyperboloid, it is necessary to address such challenges as hyperboloid molding of 8cm thick steel pla...
发布时间:
2022
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09
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19
浏览次数:2
On August 31, the super large diameter (15.56m) slurry TBM 'Jihua 1', jointly developed by Shanghai Tunnel Engineering Co., Ltd. and China Railway Engineering Equipment Group Co., Ltd. (CREG) affiliated to CRHIC, rolled off production line in CREG-CTC Heavy Equipment Co., Ltd. in Foshan. The equipment will be used in the control project of the Jihua Road West Extension Line in Foshan.With a total length of 2,655 meters and a shield section length of 1,472 meters, the tunnel is a double-tube, two-way and six-lane super large diameter shield tunnel. The construction difficulties include ...
发布时间:
2022
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09
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01
浏览次数:2