伸缩缝是桥梁构造中的重要组成部分，一旦损坏，就会导致跳车、噪音、漏水。伸缩缝质量的好坏不仅对行车安全有影响，而且会进一步影响到桥梁的整体结构安全，缩短桥梁使用寿命。桥梁伸缩缝与选型和施工过程中的质量控制有很大的关系。%The expansion joint is an important part in bridge construction, once damaged, the stagger, noise and leaking will be caused. The quality of joints not only impact on traffic safety, also will further affect the overall structural safety of the bridge, shorten the life of the bridge. The model selection of bridge expansion joint has a great relationship with the quality control in construction process.
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