铁路刚架桥受力特性研究分析

Research and Analysis on Mechanical Characteristics of Railway Rigid-frame Bridge

刚架桥以其独特的结构特点在跨越既有道路时有广泛的应用。以某新建铁路为工程背景,根据现场的工程概况,设计采用了不同跨度、净高、斜交角度的刚架桥。基于Midas板单元建立模型,分析刚架桥的受力特性,然后配筋计算,得出较为合理的配筋计算结果,可为类似工程提供参考。

A rigid-frame bridge is widely used in crossing the existing roads because of its unique structural characteristics.Taking a new railway as the engineering background,according to the engineering situation of the site,the rigid-frame bridge with the different spans,clear height and skew angle is designed.Based on MIDAS plate element,the model is established to analyze the mechanical characteristics of the rigid-frame bridge,and then the reinforcement calculation is carried out to obtain more reasonable reinforcement calculation results,which can provide reference for the similar projects.