山岳トンネル(1)

[VI-403] Bullet-train excavation plan the intersects with the city operated road soil covering over 3.9m and performance result.

Atsushi Kanemoto¹, Shinichirou Hari², 〇Hideki Nakatou¹ (1.TODA CORPORATION, 2.Japan Railway Construction, Transport and Technology Agency)

Keywords:small depth of overburden, High pressure jet agitation method, ENPASOL(ground investigation system by rotary sounding)