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02-06 2022
Tianjin Metro Line 7 From Xinghua Road station to Zhangdaokou Station, right line open
At 21:21 on May 31, the right line of Tianjin Metro Line 7 from Xinghua Road Station to Zhangdaokou Station (hereinafter referred to as Xingzhang Interval), led by China Construction Foundation and constructed by The Second Engineering Bureau of China Construction Engineering Co., LTD., was successfully opened with the cutter head of "Yue Yue" shield machine slowly breaking through the earth. This is the 5th single-line tunnel of the 3rd Bid Project Department and the 6th single-line tunnel of Tianjin Metro Line 7. -
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". -
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.
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