钢筋混凝土箱梁廊桥受力分析与设计计算

Stress Analysis and Design Calculation of Reinforced Concrete Box Girder Covered Bridge

随着学校、医院等场所的院区逐渐扩大,在连接院区内各个地块的桥梁形式中,廊桥被原来越多的设计师青睐。而钢筋混凝土廊桥其连廊自重大,受力复杂,故其设计和计算时需明确其受力特点,知晓其计算方法。本文以某简支钢筋混泥土箱梁廊桥为例,通过有限元软件建立全桥模型求解受力状态,并以现行规范的相关条文作为设计标准进行计算和受力分析。结果表明该桥均满足设计需求,并有一定安全保障。本文旨在为类似工程提供相关参考和计算思路。

With the gradual expansion of campuses in schools,hospitals and other places,among the bridge forms connecting various plots in the campus,covered bridges are favored by more and more designers.As for the reinforced concrete bridge,the corridors are self-heavy and the stress is complex,so it is necessary to clarify the stress characteristics and know the calculation method when designing and calculating.In this paper,taking a simply supported reinforced concrete box girder bridge as an example,a full bridge model is established by finite element software to solve the stress state,and the relevant provisions of the current code are used as design criteria for calculation and stress analysis.The results show that the bridge meets the design requirements and has a certain safety guarantee.This paper aims to provide relevant reference and calculation ideas for similar projects.