By analyzing the expansion joints,which are in common used in road bridges presently, this paper put up a new type of bridge expansion joint and narrates it shallowly.

• 文章通过对目前公路桥梁常用伸缩缝的剖析,提出了一种新型桥梁伸缩缝,并就其设计、安装进行了分析研究。