SPACER, VARIABLE GRADIENT TYPE SIDE DITCH USING THE SPACER AND ITS CONSTRUCTION METHOD

摘要

PROBLEM TO BE SOLVED: To provide a spacer for joining an auxiliary member and a grid reinforcement to a grid reinforcement in a side wall of a side ditch, the side ditch for arranging this spacer on a side wall bottom surface, and a construction method for forming a strong structure by finishing concrete placing at one time at a construction site of a variable gradient type side ditch and a variable gradient type side ditch used in common for earth retaining.;SOLUTION: An interval holding part for the spacer is formed in a cross-sectional almost recessed shape, and the spacer is arranged on the side wall bottom surface of the variable gradient type side ditch by exposing an upper part. The reinforcement and the auxiliary member are inserted into the interval holding part, and are joined with the grid reinforcement in the side wall, and are installed on foundation crushed stones, and concrete is placed.;COPYRIGHT: (C)2004,JPO