シールドトンネル(2)

11:20 AM - 11:30 AM JST(2:20 AM - 2:30 AM UTC)

[VI-252] Construction of multiple sharp curves and shallow cover of less than 1D using the earth pressure balance (EPB) shield method (2)— Construction of sharp curves with a radius of 15 m or less at four locations —

*Koshiro Takimoto¹, Hiroto Motonaga¹, Atsushi Satou¹, Ryoki Nakaie¹ (1. Okumura Corporation)

Keywords:

Shield,Sharp curve,Over-excavation,Alignment accuracy