Date: May 2021
Location: Luohu District, Shenzhen
Equipment: 3500mm micro tunnel boring machine
Features: curved pipe jacking, complex geology
many surrounding buildings, underpass municipal road
Significance：The curved pipe jacking section of the 220kV double circuit line project in Luohu District, Shenzhen is 389.9 meters in length, which is difficult to construct. The successful completion of the project has made significant contributions to the development of Luohu District.