吉林大学学报(工学版) ›› 2018, Vol. 48 ›› Issue (1): 148-158.doi: 10.13229/j.cnki.jdxbgxb20161136

• 论文 • 上一篇    下一篇

基于拉应力域的波形钢腹板组合梁承载力配筋计算

尼颖升1, 孙启鑫2, 马晔1, 徐栋3   

  1. 1.交通运输部 公路科学研究院,北京 100088;
    2.杭州交通投资建设管理集团有限公司,杭州310024;
    3.同济大学 土木工程学院,上海 200092
  • 收稿日期:2016-10-19 出版日期:2018-02-26 发布日期:2018-02-26
  • 通讯作者: 孙启鑫(1988-),男,工程师. 研究方向:桥梁抗震和波形钢腹板.E-mail:qixinsch@sina.com
  • 作者简介:尼颖升(1984-),男,助理研究员,博士. 研究方向:桥梁加固及波形钢腹板组合梁.E-mail:ys.ni@rioh.cn
  • 基金资助:
    国家自然科学基金项目(51178335).

Calculation of capacity reinforcement about composite box girder with corrugated steel webs based on tensile stress region theory

NI Ying-sheng1, SUN Qi-xin2, MA Ye1, XU Dong3   

  1. 1. Research Institute of Highway, Ministry of Transport, Beijing 100088, China;
    2. Hangzhou Communications Investment Group Co., Ltd., Hangzhou 310024,China;
    3. School of Civil Engineering, Tongji University, Shanghai 200092,China
  • Received:2016-10-19 Online:2018-02-26 Published:2018-02-26

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摘要： 针对波形钢腹板组合箱梁配筋方法的不足,提出了基于空间网格分析方法和“拉应力域”的设计方法。结合工程案例,将网格配筋、设计配筋及规范配筋结果进行了对比并描述了截面关键板件纵向配筋趋势。结果表明:基于拉应力域的配筋计算方法可以实现波形钢腹板组合梁桥顶板和底板的面内、面外精细化配筋,验证了网格模型模拟波形钢腹板组合箱梁的准确性。空间网格模型和拉应力域设计方法可为波形钢腹板组合箱梁提供精细化的设计思路和方向。

关键词: 土木建筑结构, 网格钢筋, 拉应力域, 空间网格分析方法, 波形钢腹板, 组合梁桥, 面内和面外

Abstract: To overcome the shortcomings of the design method of composite box girder corrugated steel webs, a spatial grid analysis model and a design method based on “tensile stress region” are proposed. Taking engineering cases, the mesh reinforcement, design reinforcement and standard reinforcement results are compared, and the longitudinal reinforcement trend of key slab in the cross section is described. The results show that the calculation method of reinforcement based on “tensile stress region” can realize the fine reinforcement of in-plane and out-of-plane in the top and bottom plane of the composite beam bridge with corrugated steel web, and verify the accuracy of the grid model in simulating the composite box girder with corrugated steel web. So the spatial grid model and “tensile stress region” design method can provide references to fine design of composite box girder corrugate steel web.

Key words: civil engineering structure, grid reinforcement, tensile stress region, space mesh analysis method, corrugated steel webs, composite beam bridge, in-plane and out-plane

中图分类号: 

  • TU318
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