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高速公路桥梁竣工通车以后在使用过程中,伸缩缝在使用过程中常常出现一些病害,这些病害不仅会影响到桥梁结构的安全性,也会影响到行车的舒适性.因此,一旦桥梁伸缩缝受到损害必须进行及时的维修和更换,只有这样才能保证桥梁的安全畅通.本文根据现有的研究资料详细论述桥梁伸缩缝损害出现的主要原因,并就伸缩缝损害维修和更换提出了自己的对策建议,以期能够彻底解决桥梁伸缩缝损害问题,保证桥梁的运行安全.“,”highway bridge was built later in the use process, expansion joint in use often occur in some diseases, these defects wil not only affect the safety of bridge structure, wil also affect the comfort of driving. Therefore, once the bridge expansion joint damage must be timely repair and replacement, only in this way can ensure the safety of the bridge open. Based on the existing research data in detail bridge expansion joint damage of the main reasons for the emergence and expansion joint damage, repair and replacement of proposed own suggestion, in order to solve the problem of bridge expansion joint damage, guarantee the safe operation of the bridge.