On the morning of September 9, the shield machine "Jian No. 1" of the Jinan Rail Transit Line 4 Phase 1 between Tangye South Station and Tangye Station departed smoothly.
"Jian No. 1" shield machine is the first shield machine launched from the east section of the first phase of Line 4, marking the important progress made in the construction of Jinan Rail Transit Line 4, and the construction of the east section has officially entered the shield tunnel construction new stage.
According to Li Wen, the project leader of the China Railway 14th Bureau, the interval between Tangye South Station and Tangye Station is about 850 meters long. The minimum curve radius of the tunnel line is 1000 meters, and the maximum slope is 17.3‰ downhill. Earth pressure is used. Balanced shield construction.
As a key construction project in Shandong Province and an important line in the second-round planning of Jinan Rail Transit, Jinan Rail Transit Line 4 assumes the role of a "spine" channel connecting the development of Jinan City, and is of great significance to the development of the provincial capital economic circle and Jinan Metropolitan Circle. . At present, among the 32 stations that have entered the construction site, 29 stations including Xiaogaozhuang Station and Qingdao Road Station are undergoing civil construction, and 3 stations including Bayi Overpass and are undergoing preliminary work such as municipal relocation; , the two sections between Xiaogaozhuang Station and Qingdao Road Station, and Chengjiazhuang Station and Pengjiazhuang Station have been completed. The section between Tangye South Station and Tangye Station is expected to be completed before the end of the year. (Reported by Dazhong Daily client reporter Chang Qing)
