Patent ID: 6309142
Filing Date: 2001-10-30
Classification: E02D

Abstract:
A method of installing a frost heave damage preventive structure in soil having a seasonal freezing layer and a maximum freezing depth, the method comprising:excavating a pile hole in the soil to a depth below the maximum freezing depth, wherein the excavated pile hole has a predetermined diameter and depth;inserting a pile into the pile hole, said pile having a plate-like reaction member which projects from an outer circumferential surface of the pile, wherein said reaction member is spaced from a bottom end of the pile and the predetermined diameter of the pile hole is greater than the diameter of the reaction member;driving the pile into the pile hole so that said reaction member is positioned at the bottom of said excavated pile hole below the maximum freezing depth; andback filling a space over the reaction member between said pile hole and said pile outer surface.