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两边连接开缝钢板剪力墙的试验研究
  • 期刊名称:工程力学
  • 时间:0
  • 页码:290-296
  • 语言:中文
  • 分类:TU398.9[建筑科学—结构工程]
  • 作者机构:[1]哈尔滨工业大学土木工程学院,黑龙江,哈尔滨150090, [2]住房和城乡建设部科技发展促进中心,北京100835
  • 相关基金:国家自然科学基金项目(50478029,50808053);《钢结构设计规范》国家标准管理组资助项目(GB500172010.02)
  • 相关项目:两边连接钢板组合剪力墙及其结构体系性能分析与设计
中文摘要:

该文对4个两边连接钢板组合剪力墙在滞回荷载作用下的性能进行了试验研究。研究了混凝土板与角钢端部的间距以及端部设置加劲肋对两边连接钢板组合剪力墙力学性能的影响。试验结果表明:在钢板角部设置短加劲肋能有效提高构件的延性和耗能能力,相比不设置加劲肋试件,最大层间侧移角由1/35提高到1/25,能量耗散系数提高了35%。混凝土板和角钢的间距也影响构件的受力性能,设置的过大或过小都会使试件节点过早出现破坏。

英文摘要:

A total of 4 composite steel plate shear walls connected with frame beams under cyclic load were tested in present research. The influence of unrestrained strips (between concrete panel and steel angle) and stiffeners at the comer of steel plate was studied. The experimental results illustrated that welding stiffeners to the comer is an effective way to avoid the early failure of specimen and to improve the energy dissipation ability. Comparing to the specimens without stiffeners, the maximum storey drift ratio of specimen with stiffeners improved from 1/35 to 1/25, and the energy dissipation ratio increased by 35%. The reasonable unrestrained strip height is another important parameter in the design of composite steel plate shear wall.

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