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16-11 2021
E14 pipe section of deep channel submarine immersed tube tunnel was sunk and docked successfully
After 25 hours of continuous operation, shenzhong Channel, the core hub project of the Guangdong-Hong Kong-Macao Greater Bay Area, completed the sinking and docking of E14 pipe segments, guangdong Communications Group announced on Nov. 15. So far, 17 pipe segments of shenzhong Channel have been successfully docked, with the length of the submerged tunnel reaching 2,640.2 meters. -
11-11 2021
The construction of the second lining structure of the undersea tunnel between dalian Metro Line 5 and Shuttle has been completed
The tunnel is constructed by the 12.26m diameter "Haihong" air cushion mud balance shield machine. Since the shield was launched on January 18, 2019, the four major problems of "long, large, high and dangerous" have been overcome, and the 1,538 meter karst cave group and 2,882 meter long hard rock excavation have been completed, so that the undersea tunnel will be successfully completed in advance on January 10, 2021. -
22-10 2021
Chongqing metro Line 5 north extension of chunxuan Avenue station - Yuegang Avenue station underground tunnel through
On October 21, 2021, chongqing Metro Line 5, a two-way tunnel between Chunxuan Avenue station and Yuegang Avenue Station in the northern extension section was completed, which is another major node target after the completion of the tunnel between Yuegang Avenue station and Yuegang North Road station, laying a solid foundation for the smooth implementation of the opening task of the line. -
14-10 2021
The domestic largest diameter shield machine will drive the Yangtze River tunnel
On October 12, the super-large diameter shield tunneling machine "Juli No. 1", which is under construction in China with the highest water pressure and the largest diameter, was put off the production line and will be used in the construction of the Jingjiang Yangtze River tunnel project in Jiangyin, Jiangsu Province. -
30-09 2021
Shanghai North Cross Channel project has new progress! The first east section of the shield "jiangong" launched today
Shanghai Chengtou Group said that today, "Jiangong" shield machine completed the start, marking the north cross channel new project ⅶ ushered in a major node, the north cross eastern section of the construction officially entered the shield tunneling stage. -
24-09 2021
The "thermal slip" of the north section of the first phase of Nantong rail transit Line 1 was successful
After 6.5 hours of continuous efforts, at 23:30 on the evening of 17th, the first phase of rail transit Line 1 successfully completed the thermal slip test of rolling stock entrance and exit line, pingchao station to Shilifang station up and down line (including the switch area storage line), and realized the autonomous running of electric buses on the main line. The thermal slip test in the dynamic adjustment section was successfully completed, which laid a solid foundation for the commissioning of BULLET trains in the six stations and five sections of the northern section of the first phase of rail transit Line 1 from Pingchao Station to Puxian Road Station.
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