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26-11 2021
Guiyang rail transit line 3 tunnel successfully under the city xihe
On November 23, the left line of the tunnel between Songhua Road station and Huansha Road Station of Guiyang Rail transit Line 3 successfully crossed the Xihe river in Guiyang city. This was another successful crossing of major risk sources after the right line crossed the Xihe River in Guiyang city on August 27, indicating that the construction of songhua Road tunnel has conquered another risk point. -
23-11 2021
Xiangyang East-west Axis Yuliangzhou Tunnel Construction starts "acceleration"
At 15:50 on November 21, the first section of the west branch of yuliangzhou Tunnel, known as "the first tunnel of the Qianli Han River", sank smoothly and docked with the bank precisely, which means that the installation of the sinking tube opened the "acceleration". -
18-11 2021
The second phase of Shenzhen Metro Line 8 project, right line TBM of Yanda section, started smoothly
On November 11th, with the slow rotation of TBM cutter, the right line TBM of Yantian Shijie Station to Dameisha Station of Shenzhen Metro Line 8 Phase ii project started smoothly, and the double-line operation of Yantian section officially began. -
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.