“Goodeng Machine”GS12000-T Large series Hdd Machine helped finish——China-Russia Natural Gas Pipeline East line-New Chaobai River （Φ1219mm×1256m）successfully！

Project Name：China-Russia Natural Gas Pipeline East line-New Chaobai River Project 

Construction Party：Zhejiang Yiwu Hengdong Municipal Engineering Company；

Project Characteristics：Tangshan-Badi  Φ1219mm×1256m（steel pipe）New chaobai river directional crossing project

Geological Conditions：the entry and exit points are black clay, and the crossing strata are mostly River silt and sand layer

Construction difficulties：The geological conditions of river bottom are complex, the quicksand and silt are heavy, and the hole expansion is difficult 

Malaysia Kuching City Central Wastewater Management System P2

 

Project overview: The drive span of this section is 240 meters, and the rock UCS is 100-120Mpa. The working shaft is 35 meters deep with high groundwater.

Construction difficulties: Deep cover depth, high rock UCS, and large wear coefficient, requiring high wear resistance for the cutters and the cutterhead.

Equipment: T10 enhanced Tangxing HRC-1500 rock pipe jacking machine