| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a ground improvement body creating method for enabling the creation of a desirable execution type ground improvement body while hardly causing influences on a peripheral ground by actualizing accurate management of soil removal, a reduction in the amount of soil removal and accurate management of the amount of improving material when performing ground improvement in an oblique direction or in a horizontal direction. <P>SOLUTION: A ground improvement body creating method includes: a step of closing agitation blades 3, 3 and moving forward a ground improvement body creating device 10 into a ground G, opening the agitation blades 3, 3 for boring while moving forward a rod 2 and the agitation blades 3, 3, and performing soil removal while discharging boring liquid to form a boring liquid storage space F where improving material is discharged to form an improving material storage space S with the boring liquid replaced with the improving material; and a step of closing the agitation blades and moving backward the rod 2 and the agitation blades 3, 3, opening the agitation blades 3, 3 again and moving forward the rod 2 and the agitation blades 3, 3 to the improving material storage space S, and repeating the forward and backward movement of the rod 2 and the agitation blades 3, 3 while agitating and mixing the improving material and the ground, to create a ground improvement body P1. <P>COPYRIGHT: (C)2013,JPO&INPIT |
