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On October 26, the unveiling ceremony of CREC-Guineng Intelligent Mine Research Institute & the off-line ceremony of hard rock TBM CREC 1200 was held in Liupanshui High-tech Industrial Development Zone, Guizhou Province. CREC 1200 ('Liangdu') will be used in the construction of auxiliary adit and haulage gateway in bed plate tunnel of Juxin Coal Mine in Guizhou Province, becoming a new useful tool in coal mine tunnel construction.Given the engineering difficulties in the southwest gas control roadway such as short tunneling distance, frequent redeployment, fast and complex geologic...
发布时间: 2022 - 10 - 28
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 - 10 - 14
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 - 09 - 20
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 - 09 - 19
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 - 09 - 19
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