EMBEDDING MEMBER FOR CONCRETE SLAB AND BASE BOARD FOR HOLLOW CONCRETE SLAB USING THIS MEMBER

摘要

PROBLEM TO BE SOLVED: To prevent thermal deformation of an embedded member at the curing time of a concrete base board.;SOLUTION: Through ditches 20 to connect the lower end part of a hollow part B to the outside are formed at the rear face and the side wall of an embedded member 10A for a concrete slab having the hollow part B, and further, vent holes 30 (30A, 30B) communicating with the upper space of the hollow part B to the outside are formed in the ceiling and/or the side wall. Since vapor or expanded air which has penetrated in the hollow part B or generated therein is exhausted to the outside through the vent holes 30 (30A, 30B), it can be avoided that the hollow part B is filled with water vapor or expanded air while curing the concrete and thermal deformation of the embedded member 10A can be prevented.;COPYRIGHT: (C)2000,JPO