Soil improvement method



PROBLEM TO BE SOLVED: To provide a soil improvement method capable of facilitating construction and surely obtaining an improvement effect extending over the whole ground. SOLUTION: In this soil improvement method, an injection pipe is placed in the ground, and grout is injected into the ground through the pipe to improve the soil. After cement-base sealing material is sprayed to a mouth of the injection pipe to be sealed, the grout is injected. This soil improvement method is characterized in that a quick setting cement-base sealing material is used as a sealing material. COPYRIGHT: (C)2008,JPO&INPIT
【課題】施工が容易でしかも地盤全体にわたって確実に改良効果が得られ地盤改良工法を提供する。 【解決手段】注入管を地盤に打設し、その管を介して地盤内に注入材を注入して地盤を改良する地盤改良工法において、前記注入管の口元部分にセメント系シール材を吹付けてシールした後、注入材を注入することを特徴とする地盤改良工法であり、シール材として、急結性セメント系シール材を用いることを特徴とする該地盤改良工法である。 【選択図】図1




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