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腹板双角钢连接框架-非加劲薄钢板剪力墙抗震性能试验研究
  • 期刊名称:地 震 工 程 与 工 程 振 动
  • 时间:0
  • 页码:84-90
  • 语言:中文
  • 分类:TU391[建筑科学—结构工程]
  • 作者机构:[1]西安建筑科技大学,陕西西安710055
  • 相关基金:国家自然科学基金资助项目(50878181); 2009年高等学校博士学科点专项科研基金资助项目(20096120110004)
  • 相关项目:半刚性框架-钢板剪力墙新型结构体系理论与试验研究
中文摘要:

对一榀1/3比例的单跨两层梁柱腹板双角钢连接框架-非加劲薄钢板剪力墙结构进行了水平低周往复加载试验研究。从承载力指标、刚度指标、延性指标、消能指标、破坏顺序和破坏模态以及连接节点的受力变形性能对试件作出评价,探究节点刚度与墙体的相互影响效果。结果表明:试件具有较高水平承载力和初始抗侧刚度,试件延性良好。结构具有理想的屈服顺序,试件破坏主要由内填板的屈服和框架柱的弯扭失稳控制。节点刚度退化小,且内填钢板的设置缓解了节点区自身的延性要求。研究为半刚性框架-钢板剪力墙结构体系的工程应用和理论分析提供依据。

英文摘要:

The two-storey,one bay double web-angle connected steel frame with thin steel plate shear wall structure specimen of one-third scale was tested under cyclic load,and based on which strength,stiffness,ductility,energy dissipation,general behavior and deformation of critical sections of the model were analyzed and evaluated.The interactive effect of the joint stiffness and steel plate of the structure were analyzed.The experimental results indicate that the steel plate shear wall could improve the lateral bearing capacity and the lateral stiffness of steel frame.The structural system has good ductility and energy dissipation.The structural system should have desirable sequences of yielding.the structure lost its bearing capacity due to flexural-torsion buckling of columns and infilled plates yield failure.The degradation of joint stiffness is slight,and the presence of infilled plates relaxes the ductility requirements of the connection area.The research provides a basis for engineering application and theoretical analysis of the structural system.

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