| 不规则布置梁加强环式梁柱节点承载力及刚度 |
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| 引用本文： | 何军,蔡健,吴建营,陈庆军.不规则布置梁加强环式梁柱节点承载力及刚度[J].华南理工大学学报(自然科学版),2007,35(3):100-105. |
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| 作者姓名： | 何军 蔡健 吴建营 陈庆军 |
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| 作者单位： | 1. 广东省建筑设计研究院
2. 华南理工大学,建筑学院,广东,广州,510640 |
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| 基金项目： | 广东省自然科学基金
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华南理工大学校科研和教改项目 |
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| 摘 要： | 不规则布置梁节点的设计是钢结构设计中的难点.文中以不规则布置梁加强环式梁柱节点为研究对象,进行了该类型节点的足尺模型试验,了解节点的受力性能和破坏机理.基于试验结果,采用理想弹塑性应力-应变关系和Von Mises屈服准则,并考虑几何非线性的影响,建立了与试验模型对应的有限元分析模型.在此模型基础上,利用有限元程序进行了参数分析.综合试验、有限元分析结果,提出了不规则布置梁加强环式梁柱节点承载力和刚度的计算方法.
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| 关 键 词： | 加强环 节点 承载力 刚度 试验研究 有限元分析 |
| 文章编号： | 1000-565X（2007）03-0100-06 |
| 修稿时间： | 2006-05-16 |
Load-Carrying Capacity and Stiffness of Beam-Column Joint Strengthened with Stiffening Ring on Irregularly-Arranged Beam |
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| He Jun,Cai Jian,Wu Jian-ying,Chen Qing-jun.Load-Carrying Capacity and Stiffness of Beam-Column Joint Strengthened with Stiffening Ring on Irregularly-Arranged Beam[J].Journal of South China University of Technology(Natural Science Edition),2007,35(3):100-105. |
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| Authors: | He Jun Cai Jian Wu Jian-ying Chen Qing-jun |
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| Institution: | School of Architecture and Civil Engineering, South China Univ. of Tech. , Guangzhou 510640, Guangdong, China |
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| Abstract: | For a steel structure,it is difficult to design reasonable joint on the irregularly-arranged beam.In order to solve this problem, a typical kind of full-scale beam-column joint strengthened with stiffening ring on the irregularly-arranged beam is modeled and tested,and the structural behavior and collapse mechanism of the joint are also investigated.Based on the experimental results,a finite-element analyzing model is established according to the elastic-perfectly plastic model,the Von Mises yield criterion and the geometric nonlinearity.The proposed nonli-near finite element model is then employed to carry out numerical parametric analyses for the joint.By summarizing the experimental and numerical results,two formulae are finally presented to calculate the load-carrying capacity and stiffness of the joint strengthened with stiffening ring on the irregularly-arranged beam. |
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| Keywords: | stiffening ring joint load-carrying capacity stiffness experimental investigation finite element analysis |
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