既有桥梁拓宽改造设计中纵向接缝问题的研究

The research on longitudinal connection in the widening and rehabilitation designing of the existing bridges

根据大量桥梁拓宽改造的工程实例,介绍了目前常见的新旧桥梁纵向连接方式,并且对不同的纵向接缝进行了对比,得出了不同类型接缝对结构受力的影响,从而提高桥梁承载力。

In this paper, the author according to large amount of projects, different longitudinal connections are introduced, and compares different vertical joint cracks, especially get the result of the influence in the bridge structure on different longitudinal connections, so as to improve the bridge capacity.