广东工业大学学报 ›› 2014, Vol. 31 ›› Issue (1): 101-106.doi: 10.3969/j.issn.1007-7162.2014.01.020

• 综合研究 • 上一篇    下一篇

基于Tsai-Wu失效准则的TSCB人行桥强度分析

卢志强1，李德源1，Luca Diviani2   

  1. 1.广东工业大学 机电工程学院，广东 广州 510006； 2.瑞士南方应用科技大学 DTI部，瑞士 卢加诺 CH-6000
  • 收稿日期:2012-12-28 出版日期:2014-03-29 发布日期:2014-03-29
  • 作者简介:卢志强（1988-），男，硕士研究生，主要研究方向为FRP复合材料在桥梁及风力机叶片中的应用.
  • 基金资助:

    国家自然科学基金资助项目（51276043）

Strength Analysis of TSCB Pedestrian Bridges Based on Tsai-Wu Failure Criteria

Lu Zhi-qiang1, Li De-yuan1, Luca Diviani2   

  1. 1.School of Electromechanical Engineering, Guangdong University of Technology, Guangzhou 510006, China;
    2. Department of Technology Innovation, University of Applied Science in Southern Switzerland, Lugano CH-6000, Switzerland
  • Received:2012-12-28 Online:2014-03-29 Published:2014-03-29

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摘要： 随着FRP（Fiber Reinforced Polymer）技术的快速发展，给公共和工业用人行桥提供了新型有效的解决方案.FRP建造桥梁结构具有施工速度快、重量轻、耐腐蚀性好、易于维护等优点.本文以瑞士FRP结构TSCB（Twin Shape Composed Beam）人行桥为工程背景，利用有限元分析软件ANSYS对TSCB人行桥桥梁强度及形变进行了有限元仿真分析.对TSCB人行桥在极限行人载荷下的跨中竖向最大挠度进行了仿真,并运用Tsai-Wu失效准则对TSCB人行桥的各层材料进行了强度分析，为TSCB人行桥的安全性提供了设计参考.

关键词: FRP人行桥；三明治结构；TsaiWu失效准则；强度分析；最大挠度；有限元仿真

Abstract: The rapid development of FRP (Fiber Reinforced Polymer) technology makes it possible to build new pedestrian bridges for public and industrial use. Pedestrian bridges constructed with FRP have the advantages of rapid installation, light weight, corrosion resistance and convenient maintenance. Strength and deflection simulations were studied by using finite element software ANSYS, based on the Swiss FRP structural TSCB pedestrian bridge. The Tsai-Wu failure criteria was used to determine the failure damage of the FRP composite material. The vertical largest deflection was simulated and studied under maximum pedestrian load. The strength and deformation analysis provides safety reference for the design of TSCB pedestrian bridges.

Key words: fiber reinforced polymer（FRP）； pedestrian bridge; sandwich structure; Tsai-Wu failure criteria; strength analysis; maximum deflection; FEA simulation

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