Works

Outline

Client

Osaka Gas Co., Ltd.

Location

Suminoeku, Osaka

Completion

1997.11

Work Summary

Launching Shaft(Press-In Open Caisson Method)
・Inner Diameter:8,500mm
・Length:42.3m

Arrival Shaft(Steel Underground Continuous Wall Construction Method)
・Inner Diameter:6,500mm
・Length:42.5m

Mud Pressure Balanced Shield Method
RC Segment
・Outer Diameter:2,800mm
・Inner Diameter:2,400mm
・Legth:1,063m