Chengdu Metro, Line 2 West Extension

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Location

Chengdu, China

Scope of Supply

2 x 6.3 m (20.5 ft) EPB TBMs

Tunnel Length

2 x 3.2 km (2.0 mi)

Ground Condition

Mixed Ground including Sand, Clay, and Cobbles

 

The Next Evolution of Soft Ground
Tunneling Debuts in Chengdu, China

  • Two Robbins EPBs excavating parallel 3.2 km (2.0 mi) tunnels for metro line extension
  • Machines equipped with newly designed features including modular VFD motors
  • High-powered screw conveyors and safer man-locks optimize TBM performance