一、前言 众所周知,通车仅两年的江阴澄康桥伸缩缝接合件损坏严重已全部翻修;通车未到半年的璜大村高速公路立交桥桥面伸缩缝也已部分检修;江阴黄田港大桥的伸缩缝接合处损坏严重,车辆驶过颠簸不堪;平冠桥桥面伸缩缝接合处也在呻吟……北京、上海、广州等大城市的高架路或大桥的路面伸缩缝,尽管采 I. Preface As we all know, opening only two years of Jiangyin Chengkang Bridge expansion joint damage has been severely damaged; the opening of six months before the Juan Dauchon freeway overpass bridge deck joints have also been partially overhaul; Jiangyin Huangtian Port Bridge expansion joints Department of serious damage, the vehicle passing bumpy; Ping crown bridge deck joint expansion joints are also moaning ... ... Beijing, Shanghai, Guangzhou and other cities elevated road or bridge pavement expansion joints, despite the mining