PROCEDE POUR LA MISE EN PLACE ET LE RACCORDEMENT DE MEMBRANES DANS DES PAROIS EN TRANCHEE ET DISPOSITIF POUR LA MISE EN OEUVRE DU PROCEDE

摘要

A method and apparatus of introducing and joining diaphragms in slotted walls. The slotted inner connecting pipe of one diaphragm is introduced into the slotted outer connecting pipe of another diaphragm. An apparatus for fusing together the two connecting pipes is placed within the interior of the inner pipe and can move through the latter. The apparatus has a heating device for heating and fusing the two connecting pipes together.