Date: June 2020

Location: Ji'an City, Jiangxi Province

Project Name: Ji'an Central City Emergency Water Source Construction Project

Equipment: 1200 rock MTBM

Geology: rock

Jacking Distance: 853 meters

Difficulties: Crossing the Ganjiang River, with abundant groundwater and high water pressure, it is impossible to open warehouses and change tools, long-distance construction, strict requirements for axis control, no deviation, and steel pipe welding technology requirements to be foolproof.