REPAIR STRUCTURE OF EXISTING PIPE, REPAIR DEVICE, AND REPAIR METHOD FOR EXISTING PIPE BY USE OF REPAIR DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a repair structure capable of positively preventing leakage of water from a water leaking section such as a crack caused in an existing pipe and to provide a repair method for the existing pipe by use of the repair structure.;SOLUTION: In this repair structure constituted by inserting a resin-made repair member 20 into the existing pipe 10 and covering an inner peripheral face of the existing pipe 10 with the repair member 20 as a covered layer 20a, a water cut-off layer 21a positioned on an outer peripheral face of the covered layer 20a and made of water expansion property rubber and/or water expansion property elastomer coming into pressure-contact with the inner peripheral face of the existing pipe 10 and covering it is provided in at least the front and rear of the water leaking section 11 in the axial direction of the existing pipe 10.;COPYRIGHT: (C)2007,JPO&INPIT