On February 28, the first work area of the first bid section of Dalian Metro Line 4 of China Construction Eighth Bureau successfully resumed work and production, marking the official start of the construction of the Metro Line 4 project in the new year.
The first phase of Dalian Metro Line 4 starts from Yingchengzi in the west to Barracuda Bay in the east, with a total length of 23 kilometers and 17 stations on the whole line. As of February 2023, a total of 14 stations have started construction of the first phase of Dalian Metro Line 4, including: Barracuda Bay Station, Dongfang Road Station, Jinjiajie Station, Golden Triangle Station, Songjiang Road Station, Northwest Road Station, Xinda Street Station, Zelonghu Station, University of Technology Station, Xinping Street Station, Ginkgo Avenue Station, Zhoujiagou Station, Dongnanshan Station, and Xingfu Station.
There are 3 stations that have not yet started, namely Xinzhaizi Station, Qianmu Station and Yingchengzi Station, and it is planned to start construction in 2024.
The construction areas of Xinzhaizi Station and Qianmu Station of Metro Line 4 that have not started construction need to occupy the collective land of the village, and the construction can be carried out after the land acquisition procedures are completed.
For now
The three stations of Barracuda Bay Station, Dongfang Road Station and Golden Triangle Station were capped, and the double-line tunnel between Dongshuo was opened;
The main structure of Jinjiajie Station is 16% complete;
The construction of the negative first floor structure of the main body of Songjiang Road Station was completed, and the construction of the negative second floor began;
The main structure of the section behind the station is 75% complete;
72% of the double-track excavation in the Jindong section is completed;
7% of the double-track excavation in the Songjin section has been completed.
After the Spring Festival holiday, the participating units of the Dalian Metro Line 4 project of China Construction Eighth Bureau returned to the construction site one after another to ensure that the construction tasks of the project were completed as scheduled.
Workers are preparing for the start of the EPBMAt 1 p.m. on March 1With the slow start of the cutterhead, the right line shield machine of the first phase of Metro Line 4 between Zhoujiagou Station and Ginkgo Avenue Station was successfully launched, which marked the official entry of the section into the shield construction stage.
The length of the section between Zhoujiagou Station and Ginkgo Avenue Station is 8665 meters, the line out of Zhoujiagou Station along the black line laid below, along the side of the line through a number of houses, important municipal pipelines and a gas station, to reach the Ginkgo Avenue Station. The longitudinal slope of the route is unidirectional, and the maximum slope is 2769‰。
According to Yang Long, deputy manager of the shield of Dalian Metro Line 4 of the Third Public Bureau of CCCC, introducedThe left line shield machine of Zhoujiagou Station - Ginkgo Avenue Station will be started around April, and the double-line shield of the section line will be realized at that time