Construction methods and road bridge expansion joint of a road bridge extension device for the water stopping material

摘要

PROBLEM TO BE SOLVED: To provide a construction method of a water cut-off material for a road bridge extension/contraction device with which, even under a high salinity environment of being exposed to an antifreezing agent using sodium chloride or the like, a water cut-off function of the road bridge extension/contraction device can be maintained for a long time, and to provide the road bridge extension/contraction device.;SOLUTION: A construction method of a water cut-off material for a road bridge extension/contraction device is disclosed for installing the water cut-off material in an expansion spacing between opposing webs of a steel extension/contraction device, and includes steps of: (a) forming an epoxy resin layer on a web surface; and (b) forming an adhesive layer on the epoxy resin layer and sticking the water cut-off material thereonto.;COPYRIGHT: (C)2014,JPO&INPIT