足尺钢桁架连梁抗震性能试验研究及非线性有限元分析

林倩, 邓志恒, 刘其舟

林倩, 邓志恒, 刘其舟. 足尺钢桁架连梁抗震性能试验研究及非线性有限元分析[J]. 工程力学, 2012, 29(7): 256-263. DOI: 10.6052/j.issn.1000-4750.2011.03.0175
引用本文: 林倩, 邓志恒, 刘其舟. 足尺钢桁架连梁抗震性能试验研究及非线性有限元分析[J]. 工程力学, 2012, 29(7): 256-263. DOI: 10.6052/j.issn.1000-4750.2011.03.0175
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LIN Qian, DENG Zhi-heng, LIU Qi-zhou. EXPERIMENTAL STUDY AND NONLINEAR FINITE ELEMENT ANALYSIS ON THE SEISMIC PERFORMANCE OF FULL-SCALE STEEL TRUSS COUPLING BEAMS[J]. Engineering Mechanics, 2012, 29(7): 256-263. DOI: 10.6052/j.issn.1000-4750.2011.03.0175
Citation: LIN Qian, DENG Zhi-heng, LIU Qi-zhou. EXPERIMENTAL STUDY AND NONLINEAR FINITE ELEMENT ANALYSIS ON THE SEISMIC PERFORMANCE OF FULL-SCALE STEEL TRUSS COUPLING BEAMS[J]. Engineering Mechanics, 2012, 29(7): 256-263. DOI: 10.6052/j.issn.1000-4750.2011.03.0175
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足尺钢桁架连梁抗震性能试验研究及非线性有限元分析

  • 广西大学土木建筑工程学院, 南宁 530004

基金项目: 国家自然科学基金项目(50868001);广西大学科研基金项目(XGL090007)
详细信息
    作者简介:

    林 倩(1978―),男(瑶族),广西恭城人,博士,从事结构抗震性能研究(E-mail: hoholinq@126.com);
    刘其舟(1986―),男,湖南长沙人,硕士生,从事结构抗震性能研究(E-mail: 384548027@qq.com).

    通讯作者:

    邓志恒(1963―),男,湖南邵东人,教授,博士,博导,从事结构抗震性能研究(E-mail: dengzh@gxu.edu.cn).

  • 中图分类号: TU398

EXPERIMENTAL STUDY AND NONLINEAR FINITE ELEMENT ANALYSIS ON THE SEISMIC PERFORMANCE OF FULL-SCALE STEEL TRUSS COUPLING BEAMS

  • College of Civil and Architectural Engineering, Guangxi University, Nanning 530004, China

摘要

    摘要
  • 摘要: 对4 个足尺的新型钢桁架连梁试件进行了低周反复荷载试验,研究了试件的破坏形态,测量分析了连梁加载点的荷载位移滞回曲线,并分析了连梁的延性、刚度退化规律和耗能能力。采用通用软件ABAQUS 对钢桁架连梁进行了单调加载及低周反复加载作用下的非线性有限元分析。有限元计算和试验结果对比分析表明:两者的荷载位移曲线及承载力特征点吻合较好,都证明钢桁架连梁具有较好的延性,能够耗散较大的地震能量。在此基础上对钢桁架连梁进行了参数分析,研究了腹杆截面、弦杆截面和跨高比对连梁受力性能的影响,以供进一步研究和工程设计参考。
    Abstract: Based on a low-cyclic loading experimental study on 4 full-scale specimens of a new type of steel truss coupling beam, the failure patterns and the load-displacement hysteretic curves of the beams’ loading point were studied, and the beams’ ductility, rigidity degradation discipline and energy dissipation mechanism were analyzed as well. Nonlinear finite element analyses were conducted on these beams under monotonic loading and low cyclic loading using ABAQUS. The result of finite element calculation and test shows that the load-displacement curves and bearing capacities’ characteristic points of both methods are in a good agreement, which all prove that the steel truss coupling beam has good ductility and good ability of dissipating earthquake energy. Parametric analyses were carried on to investigate the influences of the sections of web members and chord members, and the span-to-depth ratio on the beams’ mechanical property, which can be available for reference of further research and aseismic design of the steel truss coupling beam system.
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    • 参考文献(12)
  • [1] 邓志恒, 潘峰, 陶晓光, 唐光暹. 新型组合连梁控制结构体系[J]. 世界地震工程, 2003, 19(3): 6-11.Deng Zhiheng, Pan Feng, Tao Xiaoguang, TangGuangxian. New structural control system of compositecoupling beams [J]. World Earthquake Engineering, 2003,19(3): 6-11. (in Chinese)
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    [9] 潘志明. 高层建筑剪力墙组合桁架连梁抗震性能的试验研究[D]. 南宁: 广西大学, 2007.Pan Zhiming. Experimental study of seismic behavior ofsteel composite truss coupling beams of high-rise shearwalls [D]. Nanning: Guangxi University, 2007. (inChinese)
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    [11] 王连广. 钢与混凝土组合结构理论与计算[M]. 北京:科学出版社, 2005: 39-42.Wang Lianguang. Theory and calculation of steel andconcrete composite structure [M]. Beijing: Science Press,2005: 39-42. (in Chinese)
    [12] 王金昌, 陈页开. ABAQUS 在土木工程中的应用[M].杭州: 浙江大学出版社, 2006: 72.Wang Jinchang, Chen Yekai. The application ofABAQUS in civil engineering [M]. Hangzhou: ZhejiangUniversity Press, 2006: 72. (in Chinese)
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出版历程
  • 收稿日期:  2011-03-28
  • 修回日期:  2011-05-11
  • 刊出日期:  2012-07-24

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