GROUND IMPROVEMENT SYSTEM AND CONSTRUCTION METHOD

Japanese Patent JP3731669

B2

PROBLEM TO BE SOLVED: To provide a ground improvement system and a construction method incorporated with respective advantageous characteristics of an injection agitating simultaneously using type mechanical agitating construction method and an abrasive jet construction method.
SOLUTION: This ground improvement system has a means for sending out water or a hardener by intermediate pressure, a means for sending out a water abrasive admixture by high pressure, a ground improvement tool composed of a monitor part having a swivel part, a rod part and a side surface injection port, and a ground improvement machine driven for an advance or driven for a retreat while rotating the ground improvement tool. The ground improvement system includes an injection machine agitating tool having an agitating blade replaceably installed in the middle of construction as the ground improvement tool, and an abrasive jet tool having a tip injection port of the water abrasive admixture.

JP5015193	Ground injection material and ground injection method
JP5754623	Method of placing plasticized grout and method of manufacturing plasticized grout

Norio Tanaka
Takayuki Suetsugu
Koriyama Masaomi

JP2003305072A

January 05, 2006

August 28, 2003

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Flow Techno Co., Ltd.
Fujiken Co., Ltd.
Tomec Co., Ltd.
NIT Corporation

E02D3/12; (IPC1-7): E02D3/12

JP2001049654A
JP9209355A

Takashiro Kojima
Noriko Kawai
Takuya Sato

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