Of underground wall out joints forming tool, the underground wall out joints construction methods

摘要

PROBLEM TO BE SOLVED: To prevent concrete from flowing into an implement which forms a construction joint part and holds a joint metal without requiring a time or labor when a first-placed panel is constructed.;SOLUTION: The implement 100 which forms the construction joint part freely detachably holds a joint metal for joining a first-placed panel and a last-placed panel of continuous underground walls to each other by burying its both ends in the first-placed panel and the last-placed panel and is anchored to the first-placed panel in such a way that it can be peeled off. Grooves 151 capable of housing part of the joint metal are formed in the implement 100. A rubber material 140 is provided in such a way as to be exposed to at least part of inner surfaces of the grooves 151.;COPYRIGHT: (C)2009,JPO&INPIT