地盤改良 (3)

[VI-17] Development of Metro Jet System method using the water jet

*Kiyotaka Ono¹, Hidenori Saitou¹, Hiroshi Okada¹, Ikuya Okamoto², Kohei Nakajima², Yasuharu Nakanishi³ (1. Toko Geotech Corporation, 2. The Estec co., Ltd., 3. N.I.T.Inc.)

Keywords:horizontal ground improving method, extended diameter, water jet, directly below the structure, jet Grouting