The No.1 shield machine of the hottest railway con

2022-08-21
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China railway construction heavy industry "Qiushi 1" shield machine started in Guangzhou line 7

China railway construction heavy industry "Qiushi 1" shield machine started in Guangzhou line 7

2015 but the control accuracy is low - China Construction machinery information

at present, there is no reason for large-scale utilization, mainly due to the problems of cost and production efficiency

on December 8, at the construction site of xiechun station, bid 3, Guangzhou Metro Line 7, The Qiushi No.1 shield machine tailored by China railway construction heavy industry group slowly moved forward in the roar and officially began tunneling, opening the prelude to the application of China railway construction heavy industry group shield machine in Guangzhou metro project. With the research and utilization of vehicle lightweight

Guangzhou Metro Line 7 starts from Guangzhou South Railway Station in the West and ends at the south of University City in the East, passing through 9 platforms such as Shibi, Xie village and Zhong village, with a total tunneling length of 3408 meters. The main quantities of the project include 2 shield tunnels and 3 connecting passages, and the interval tunnels are constructed by shield method

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