bridge expansion joint

基本解释

Setting bridge expansion joint will not only influence the comfort of riding, but also cause damage to bridge in different degrees.
桥梁伸缩缝的设置不但影响行车的舒适性，而且容易造成桥梁不同程度的破坏。
But how to estimate and maintain the bridge expansion joint is an urgently problem to be solved by the manage department of the highway.
桥梁伸缩装置的破损程度如何评价，如何养护维修，是公路管理养护部门急需解决的问题。
So analysis the influencing factors and calculating measure of bridge expansion joint, makes for developing the new product and reasonable selecting of expansion joint.
因此从多方面分析影响伸缩量的因素和计算方法，有助于研制新产品和选择合理的伸缩装置。