On July 32, 2024, the world’s first green TBM “CREC 1237” was successfully launched at the Taormina Section of the High-speed Railway Tunnel Project on the Island of Sicily in Italy. The Project involves two sections, of which, “CREC 1237” TBM applied at the 4.9km-long Taormina Section has the largest burial depth of 200m, mainly crossing clay, sand and sand rock strata. In addition, the overall settlement control of the equipment is demanding given that the clay in strata crossed by the equipment have extremely poor permeability, combined with shallow buried sections.“CREC 1237” TBM is a...
发布时间:
2024
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07
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24
浏览次数：7
On June 30, the Shenzhen-Zhongshan Link Project, which took 7 years to construct, had been officially completed and opened to traffic. Integrating “bridge, artificial island, tunnel and underwater interchange”, the 24.03km long Shenzhen-Zhongshan Link is the world’s largest cross-sea cluster project. China Railway Shanhaiguan Bridge Group Co., Ltd. and China Railway Baoji Bridge Group Co., Ltd. affiliated to CRHIC have undertaken the steel box girder manufacturing tasks for contract sections G05 and G04 of the Project, including Shenzhen-Zhongshan Bridge (formerly Lingdingyang Bridge), Zhongsh...
发布时间:
2024
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06
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30
浏览次数：2
On April 23 Georgia time, “Caucasus”, the world’s largest diameter full face hard rock TBM jointly developed by CREG and CRTG, successfully broke through, marking the completion of the tunneling phase for the Kvesheti-Kobi Highway as part of the North-South Road Corridor in Georgia, achieving a 30-day advancement over the overall construction schedule.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-shie...
发布时间:
2024
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04
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24
浏览次数：10
The opening ceremony of the 2024 World Tunnel Congress, jointly hosted by International Tunneling and Underground Space Association and China Civil Engineering Society, was held at Shenzhen World Exhibition & Convention Center on April 22, 2024. Over 3,000 experts, scholars, and business representatives from member countries of the International Tunneling and Underground Space Association convened in Shenzhen to deliberate on the advancement and collaboration in tunnel technology. China Railway Engineering Equipment Group Co., Ltd. under CRHIC was among the exhibitors.The world’s largest d...
发布时间:
2024
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04
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22
浏览次数：6
On April 3, 2024, amidst the cheers at the construction site of the Algiers Metro Line 1 Extension Line Project in Algeria, Africa, the earth pressure balance TBM manufactured by China Railway Engineering Equipment Group Co., Ltd. under CRHIC broke through the wall, marking the full completion of the Subway Line 1 Extension Line Project. The TBM is the first of its kind exported to Africa by China.To adapt to the geological conditions of the project and the customer’s demand, the TBM developed by China Railway Engineering Equipment Group Co., Ltd. is equipped with a cutter head with the diamet...
发布时间:
2024
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04
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03
浏览次数：7