STATIC CRUSHING METHOD, AND FILLING TOOL USED FOR THE SAME

PROBLEM TO BE SOLVED: To provide a static crushing method and a filling tool used for the same, which is capable of easily filling a static crushing material even if a drilled hole in an object to be crushed is deep and which enables the execution of an extremely safe and efficient crushing operation. SOLUTION: The static crushing method comprising the steps of forming the drilled hole 1 in the object to be crushed, filling the drilled hole with an expandable crushing material, and crushing the object to be crushed by inflation of the crushing material is characterized in that using a static crushing material with the aid member 30 having the aid member and an expandable crushing material stored in a water-permeable bag body, the aid member comprising a bottom plate disposed in the drilled hole, a top plate larger in area than the bottom plate and disposed outside of the drilled hole, and a connection means connecting these plates to each other, and a static crushing material without the aid member 40 having the expandable crushing material stored in the water-permeable bag body, at least one or more static crushing materials without the aid member 40 fills the drilled hole and the static crushing material with the aid member 30 is disposed at the vicinity of the mouth of the drilled hole therein. COPYRIGHT: (C)2007,JPO&INPIT