基于改进Bouc-Wen模型的RC梁-柱节点抗震性能研究

吕大刚, 于晓辉, 杜文晨

吕大刚, 于晓辉, 杜文晨. 基于改进Bouc-Wen模型的RC梁-柱节点抗震性能研究[J]. 工程力学, 2015, 32(增刊): 45-49,54. DOI: 10.6052/j.issn.1000-4750.2014.05.S015
引用本文: 吕大刚, 于晓辉, 杜文晨. 基于改进Bouc-Wen模型的RC梁-柱节点抗震性能研究[J]. 工程力学, 2015, 32(增刊): 45-49,54. DOI: 10.6052/j.issn.1000-4750.2014.05.S015
LÜ Da-gang, YU Xiao-hui, DU Wen-chen. STUDY ON SEISMIC PERFORMANCE OF RC BEAM-COLUMN JOINTS WITH A MODIFIED BOUC-WEN MODEL[J]. Engineering Mechanics, 2015, 32(增刊): 45-49,54. DOI: 10.6052/j.issn.1000-4750.2014.05.S015
Citation: LÜ Da-gang, YU Xiao-hui, DU Wen-chen. STUDY ON SEISMIC PERFORMANCE OF RC BEAM-COLUMN JOINTS WITH A MODIFIED BOUC-WEN MODEL[J]. Engineering Mechanics, 2015, 32(增刊): 45-49,54. DOI: 10.6052/j.issn.1000-4750.2014.05.S015

基于改进Bouc-Wen模型的RC梁-柱节点抗震性能研究

基金项目: 国家自然科学基金项目(91315301,51378162,51408155); 国家科技支撑计划课题项目(2013BAJ08B01); 土木工程防灾国家重点实验室开放课题基金项目(SLDRCE12-MB-04); 中国高校基本科研业务费专项资金项目(HIT; NSRIF; 2015099); 中国博士后科学基金面上项目(2014M551251)
详细信息
    作者简介:

    于晓辉(1982―),男,辽宁丹东人,助理研究员,博士,主要从事地震易损性理论及应用研究(E-mail: yxhhit@126.com);杜文晨(1989―),男,山东济宁人,助理工程师,硕士,主要从事RC梁-柱节点抗震性能研究(E-mail: doo_hit13@163.com).

    通讯作者:

    吕大刚(1970―),男,黑龙江铁力人,教授,博士,副院长,从事抗震可靠性、易损性和鲁棒性研究(E-mail: ludagang@hit.edu.cn).

  • 中图分类号: TU375.4

STUDY ON SEISMIC PERFORMANCE OF RC BEAM-COLUMN JOINTS WITH A MODIFIED BOUC-WEN MODEL

  • 摘要: 在传统的Bouc-Wen材料模型中引入捏缩函数,提出了一种可以考虑材料捏缩行为的改进Bouc-Wen材料模型。将该模型引入到OpenSees软件平台中,基于Joint2D节点单元,对钢筋混凝土(RC)梁-柱节点的抗震性能进行了研究。通过对两个钢筋混凝土梁-柱中节点的往复加载试验结果进行数值模拟,验证了该文提出的改进Bouc-Wen模型的合理性。进一步对RC框架梁-柱节点抗震性能的影响因素进行了研究,结果表明:截面高宽比和剪跨比对节点的剪切强度和延性影响显著。
    Abstract: A pinching function is introduced into the conventional Bouc-Wen material model, and an improved Bouc-Wen material model is proposed considering the pinching behavior of materials. Such a model is incorporated into the OpenSees software platform, and is then combined with the Joint2D element to study the seismic performance of the RC beam-column joints. Two hysteretic experiments of middle beam-column joints are simulated and the improved Bouc-Wen model is verified. Finally the influence factors of RC beam-column joints are examined. The results show that the aspect ratio and the shear span ratio have significant effects on the shear strength and the ductility of joints.
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    4. 屠义伟. 某特大桥跨断层地震响应特征及抗震设计研究. 公路工程. 2018(04): 263-268 . 百度学术
    5. 李宝平,杨若庸,刘高峰. RC框架结构梁柱节点数值模拟方法的研究现状. 四川建材. 2017(04): 21-23 . 百度学术

    其他类型引用(13)

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出版历程
  • 收稿日期:  2014-05-07
  • 修回日期:  2014-11-14
  • 刊出日期:  2015-06-24

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