40m跨径T梁预制施工腹板裂缝原因分析

Analysis on the Crack Causes of Prefabricated Webs of the 40m-span T Beams

某公路桥梁,上部结构为40m跨径T梁,预制施工时发生了腹板开裂的问题,笔者参与了设计和施工处理。文章从结构设计、施工方面分析探讨了问题产生的原因,结合问题的解决,提出一些建议,供设计施工参考。

There occurred web cracks in the prefabrication on one upper 40m- span T beam on one highway bridge in which the author was involved in the construction and design, This paper analyzes the causes from design and construction and gives some suggestions.