Date: April 2021
Project Name: Cross-street Passage Project of Civil Aviation University Station on Tianjin Metro Line 4
Equipment: 4200*6900 rectangular pipe jacking machine
1 Cross the running sewage pipe, the distance between the bottom of the pipe and the top of the rectangular pipe is less than 3 meters
2 Pass through the running aviation fuel pipe;
3 Crossing the running expressway;
4 The groundwater is large, and the jacking operation is carried out with water;
5 The maximum propulsion pressure is 1,100 tons;
6 The hole exit error is up and down 1CM;
7 Pavement subsidence control plus or minus 5mm warning.
1 This section is our company’s first rectangular pipe jacking machine construction project in Tianjin
2 Two trainees from Tangxing Training School managed the project.
3 The benchmarking project for the extension of Metro Line 4 has reduced overall settlement.
4 Trial site of the prototype of the major special rectangular pipe jacking machine in Anhui Province
5 Investigation site of the Anhui Province Unveiling Project
6 Construction inspection site of the "115" team in Anhui Province
The Rectangular Pipe Jacking Machine of Nanchang Rail Transit Project Launched Smoothly
The Zhaoshi River Pipe Jacking Tunnel Crossing Project in the Sixth Bid Section of the Middle Section of the West-East Gas Transmission Line 3 Launched Smoothly
Bengbu Long-distance Pipe Jacking Project Started Smoothly