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基于等效原理的波形钢腹板组合箱梁桥动力特性分析

冀伟 张经伟 罗奎

冀伟, 张经伟, 罗奎. 基于等效原理的波形钢腹板组合箱梁桥动力特性分析[J]. 应用数学和力学, 2020, 41(7): 725-734. doi: 10.21656/1000-0887.400244
引用本文: 冀伟, 张经伟, 罗奎. 基于等效原理的波形钢腹板组合箱梁桥动力特性分析[J]. 应用数学和力学, 2020, 41(7): 725-734. doi: 10.21656/1000-0887.400244
JI Wei, ZHANG Jingwei, LUO Kui. Dynamic Characteristics Analysis of Composite Box Girders With Corrugated Steel Webs Based on the Equivalent Principle[J]. Applied Mathematics and Mechanics, 2020, 41(7): 725-734. doi: 10.21656/1000-0887.400244
Citation: JI Wei, ZHANG Jingwei, LUO Kui. Dynamic Characteristics Analysis of Composite Box Girders With Corrugated Steel Webs Based on the Equivalent Principle[J]. Applied Mathematics and Mechanics, 2020, 41(7): 725-734. doi: 10.21656/1000-0887.400244

基于等效原理的波形钢腹板组合箱梁桥动力特性分析

doi: 10.21656/1000-0887.400244
基金项目: 国家自然科学基金(51708269;51868039);中国博士后科学基金(2018M643766);甘肃省住房和城乡建设厅科研项目(JK2018-46);甘肃省高等学校创新能力提升项目(2019B-062)
详细信息
    作者简介:

    冀伟(1982—),男,教授,博士(通讯作者. E-mail: jiwei1668@163.com);张经伟(1994—),男,硕士(E-mail: kingwei128@163.com).

  • 中图分类号: O302

Dynamic Characteristics Analysis of Composite Box Girders With Corrugated Steel Webs Based on the Equivalent Principle

Funds: The National Natural Science Foundation of China(51708269;51868039);China Postdoctoral Science Foundation(2018M643766)
  • 摘要: 为了简化波形钢腹板组合箱梁的三维有限元建模过程,通过刚度和位移等效的方法将三维波形钢腹板有限元模型简化为二维正交各向异性板的有限元模型.简化之后的有限元模型几何外形简单,单元和自由度的数量大幅降低,减少了计算时间,提高了计算效率.通过对比三维波形钢腹板组合箱梁有限元模型的自振频率计算结果、二维等效正交各向异性板组合箱梁有限元模型的自振频率计算结果以及实测频率值,发现三者吻合良好,验证了等效模型有限元建模方法的正确性和可靠性.研究结论可为波形钢腹板组合箱梁桥提供一种简单的有限元建模方法.
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出版历程
  • 收稿日期:  2019-08-22
  • 修回日期:  2019-11-28
  • 刊出日期:  2020-07-01

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