PROBLEM TO BE SOLVED: To reinforce only a ground to be reinforced without having an adverse effect on a peripheral ground regarding a ground-subsidence correction construction method.;SOLUTION: In the ground-subsidence correction construction method reinforcing a foundation for a building, a pipe 2 is inserted into the ground 1 to be improved, water 3 as a high-pressure water current is injected from the front end section of the pipe and the peripheral ground is crushed and water 3 as the high-pressure water current is recovered while the crushed soil and sand 4 of the crushed ground is recovered. In the ground-subsidence correction construction method, the volume of a space 5 formed to the ground is measured previously, and the space 5 is filled with fillers capable of controlling a curing time, a strength and a viscosity by a pressure pump.;COPYRIGHT: (C)2008,JPO&INPIT
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