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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. -
26-10 2021
The first shield tunnel section of changchun Rail transit Line 2 east extension project is connected
Changchun (CNS) -- The left line of east Square station and East Junction station of Changchun Rail Transit Line 2 east extension project has been successfully completed, marking the first double line of shield tunnel of Changchun rail Transit Line 2 east extension. -
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. -
19-10 2021
Shenzhen Metro Line 16 longlong section of the right line tunnel through
On the afternoon of October 16th, the right line tunnel of Shenzhen Metro Line 16 was successfully opened as the cutter head of shield tunneling machine broke through the earth. It is also the 49th single-line interval tunnel to be safely transfixed, and only one interval remains untransfixed. -
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.