连续刚构桥成桥预拱度分析

Analysis on the Camber of the Completed Continuous Rigid Frame Bridge

针对连续刚构桥下挠严重的问题,合理地设置成桥预拱度非常重要。综合考虑了引起连续刚构桥下挠的各种因素,采用有限元法计算得到了该连续刚构桥的成桥预拱度,结果可为同类桥梁的设计和施工提供参考。

In order to solve the severe deflection problem of continuous rigid frame bridge, it is of great importance to reasonably set the camber of a completed bridge. Taking into consideration of various elements that lead to deflection of continuous rigid frame bridge, finite element method is adopted to calculate the camber degree of the completed continuous rigid frame bridge and the results can provide reference for design of the same kind bridges.