Tip structure of the core material, a method of manufacturing a core material, and a method of increasing the tip end supporting force of the core member

摘要

PROBLEM TO BE SOLVED: To enhance an end bearing capacity of a core material erected in a soil improvement body to support a structure, to improve workability by reducing resistance when the core material is erected in the soil improvement body, and to improve transportability of the core material by reducing time and cost necessary for working of a tip of the core material.;SOLUTION: In a structure of a tip 10A of a core material 10 erected in a soil improvement body 20 to support a structure, a plurality of screw reinforcements 12 are screw-fastened to the tip 10a by means of nuts 14.;COPYRIGHT: (C)2014,JPO&INPIT