Equipment: 2m rock MTBM

Location: Taizhou, Zhejiang Province

Date: September, 2021

Features: high rock hardness, long jacking distance, difficult construction

Significance: The project is a double-pipe parallel, using a 2m rock MTBM. The  total length of jacking distance is 660 meters, and the maximum rock hardness is 173 MPa. It is the first case in Taizhou City and is also a key livelihood project in the province and city.