地盤改良 (1)

[VI-1007] Development of Metro Jet System Method using the water jet Part2

*Ikuya Okamoto¹, Kohei nakashima¹, Kiyotaka Ono², Hidenori Saitou², Hiroshi Okada², Yasuharu Nakanishi³, Hideki Kobayashi⁴, Daisuke Naito⁴ (1. Estec co.,Ltd, 2. Toko Geotech Corporation, 3. N.I.T.Inc., 4. Mitsubishi Chemicai Infratec Co.,Ltd)

Keywords:horizontal ground improving, extended diameter, water jet, admixture, jet grouting