Shenzhen Business Daily Reading Client reporter in Guangzhou, Yao Jiali, correspondent, Yue Jiaojixuan, Wang Pan, Zhong Weijian
The Spring Festival is approaching, but the construction projects of Guangdong Communications Group are still busy, and the builders are working hard to seize the progress of the project and make every effort to sprint the construction node. At 22 o'clock on February 6, after 12 hours of continuous pouring, the foundation pit of the east anchorage of the main bridge of the Shiziyang Channel Project successfully completed the bottom sealing construction.
The West Pagoda of the Shiziyang Passage is under construction.
After the Hong Kong-Zhuhai-Macao Bridge and the Shenzhen-Zhongshan Corridor, the Shiziyang Corridor is another super project in the Guangdong-Hong Kong-Macao Greater Bay Area, with great technical difficulty and complex construction technology. As a project control project, the Shiziyang Bridge adopts a main span of 2,180 meters and a double-layer steel truss suspension bridge "one span across the river", and after completion, it will create a double-layer suspension bridge "main span diameter, main tower tower height, anchor foundation, main cable scale, and number of lanes" five world first.
Panorama of the east anchorage of the Lion Ocean Passage.
The Shiziyang Bridge has two main towers and two anchorage blocks on the east and west banks of the Pearl River. Previously, the west anchorage of the Shiziyang Bridge had completed the excavation and lining construction of the foundation pit on February 2 this year, and it was planned to start the construction of the bottom cover during the Spring Festival. The west anchorage foundation is 130 meters in outer diameter and 1 in wall thicknessThe 5-meter circular ground connecting wall, which also adopts an annular reinforced concrete lining support structure, has a foundation depth of 36 meters, which is the world's largest bridge anchorage in the current project under construction, and is constructed by CCCC No. 2 Public Bureau.
The lining construction of the west anchorage of the Shiziyang Channel.
At present, the construction of the project has been fully rolled out, the main tower of the Shiziyang Bridge has entered the construction stage of the bearing platform, the first section of the steel shell tower of the main bridge has successfully passed the acceptance, and the approach bridge is orderly promoting the soft foundation treatment and the construction of the bridge substructure.
Zhang Taike, chief engineer of Guangdong Bay Area Transportation Construction Investment, said that this year, the Shiziyang Channel will usher in major nodes such as anchorage core filling and the height of the main tower exceeding 100 meters. "During the Spring Festival, our main bridge section will continue to be constructed, and the whole line will fully resume work and production after the festival to ensure a good start in the first quarter. ”
Photo courtesy of the correspondent.