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波形钢腹板箱梁畸变应力分析

邵江艳 张元海 赵庆友 姚晓东

邵江艳, 张元海, 赵庆友, 姚晓东. 波形钢腹板箱梁畸变应力分析[J]. 应用数学和力学, 2019, 40(10): 1109-1121. doi: 10.21656/1000-0887.390260
引用本文: 邵江艳, 张元海, 赵庆友, 姚晓东. 波形钢腹板箱梁畸变应力分析[J]. 应用数学和力学, 2019, 40(10): 1109-1121. doi: 10.21656/1000-0887.390260
SHAO Jiangyan, ZHANG Yuanhai, ZHAO Qingyou, YAO Xiaodong. Stress Analysis on Distortion of Corrugated Steel Web Box Girders[J]. Applied Mathematics and Mechanics, 2019, 40(10): 1109-1121. doi: 10.21656/1000-0887.390260
Citation: SHAO Jiangyan, ZHANG Yuanhai, ZHAO Qingyou, YAO Xiaodong. Stress Analysis on Distortion of Corrugated Steel Web Box Girders[J]. Applied Mathematics and Mechanics, 2019, 40(10): 1109-1121. doi: 10.21656/1000-0887.390260

波形钢腹板箱梁畸变应力分析

doi: 10.21656/1000-0887.390260
基金项目: 国家自然科学基金(51468032)
详细信息
    作者简介:

    邵江艳(1994—),女,硕士生(E-mail: 2373842236@qq.com);张元海(1965—),男,教授,博士,博士生导师(通讯作者. E-mail: zyh17012@163.com).

  • 中图分类号: O39

Stress Analysis on Distortion of Corrugated Steel Web Box Girders

Funds: The National Natural Science Foundation of China(51468032)
  • 摘要: 在对梯形截面箱梁的畸变角给出一般定义的基础上,根据传统混凝土箱形梁的理论及波形钢腹板的力学特性,对波形钢腹板组合箱梁的畸变翘曲应力进行推导,应用基于势能驻值原理的能量变分法,建立了以所定义的畸变角为未知量的控制微分方程,并给出其初参数解.采用初参数法求出波形钢腹板组合箱梁的畸变角和畸变双力矩,最终得到纵向畸变翘曲应力.通过算例对比分析了传统混凝土箱梁和波形钢腹板组合箱梁顶板与腹板及底板与腹板交点处的畸变翘曲应力,分析结果表明:由于波形钢腹板组合箱梁腹板的纵向刚度很小几乎为零,所以在波形钢腹板组合箱梁底板与腹板交点处产生的翘曲应力大于混凝土箱梁底板与腹板交点处的对应值.
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出版历程
  • 收稿日期:  2018-10-08
  • 修回日期:  2019-01-20
  • 刊出日期:  2019-10-01

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