节点文献

双T形新型约束屈曲支撑的试验研究

EXPERIMENTAL STUDY ON DOUBLE-T-SHAPED INNOVATIVE BUCKLING-RESTRAINED BRACE

  • 推荐 CAJ下载
  • PDF下载
  • 不支持迅雷等下载工具,请取消加速工具后下载。

【作者】 徐士云郑廷银杨俊

【Author】 Xu Shiyun1 Zheng Tingyin2 Yang Jun1(1.Zhongshan Vocational College,Nanjing 210049,China;2.Nanjing University of Technology,Nanjing 210009,China)

【机构】 钟山职业技术学院南京工业大学

【摘要】 双T形新型约束屈曲支撑是一种新型耗能支撑,影响其性能的因素众多。为了考察约束机构、约束比、内核板件宽厚比和内核切割方式等构造因素对其耗能性能的影响,对6个缩尺的双T形新型约束屈曲支撑模型进行低周往复荷载试验,研究支撑结构的破坏形态、滞回性能、耗能能力、位移延性和刚度退化等性能。试验研究表明:该新型支撑的约束机构和内核单元连接可靠;在所考察的因素中,约束机构和约束比的影响较大;具有合理构造的双T形新型支撑滞回圈饱满、耗能稳定、延性较好、屈服后刚度退化较慢。

【Abstract】 The double-T-shaped innovative buckling-restrained brace is a new kind of energy-dissipation brace,so the factors affecting its performance are to be numerous.In order to study the influence of the buckling-restrained mechanism,the buckling restraining ratio,defined as the ratio of Euler load of the outer buckling-restrained mechanism to the yielding load of the steel core,width to thickness ratio of the steel core,the incising mode of the steel core etc lon the energy-dissipation capability of the brace,low cyclic loading tests were conducted on six reduced scale brace specimens.The destruction modality,the hysteretic behavior,energy-dissipation,the displacement ductibility,the rigidity degeneration etc of the innovative brace were studied.The test study demonstrates that the joint of the buckling-restrained mechanism and the steel core of this innovative brace is reliable,and the influence of the buckling-restrained mechanism and the buckling restraining ratio is obvious among all the examined factors,and then the brace with rational composition has a full hysteretic loop,stable energy-dissipation behavior,better displacement ductibility,slower rigidity degeneration.

  • 【文献出处】 工业建筑 ,Industrial Construction , 编辑部邮箱 ,2011年10期
  • 【分类号】TU399;TU317
  • 【被引频次】1
  • 【下载频次】92
节点文献中: 

本文链接的文献网络图示:

本文的引文网络