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砌块填充墙抗震性能试验研究

Experimental Study on Seismic Behavior of Infilled Masonry Wall

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【作者】 黄兰兰李洪泉李振宝林金地

【Author】 Huang Lan-lan,Li Hong-quan,Li Zhen-bao,Lin Jin-di(Beijing Key Lab of Earthquake Engineering and Structural Retrofit Beijing University of Technology,Beijing 100124,China)

【机构】 北京工业大学工程抗震与结构诊治北京市重点实验室

【摘要】 墙体满足框架变形的能力及其对主体框架初始刚度的影响是研究填充墙工程中值得关注的两个问题。本文通过4个砌块填充墙原型试件拟静力试验,分别对实体填充墙和开洞填充墙自身抗震性能,以及挤塑板柔性连接对减小墙体对主框架影响的性能进行了研究。研究结果表明:开洞砌体墙体初始刚度较实体墙小,但二者对框架初始刚度影响不容忽视;实体、开洞砌体填充墙变形能力均无法满足框架抗震要求;加入挤塑板后墙体对框架初始刚度影响降低50%左右,同时墙体变形能力基本满足框架抗震要求。

【Abstract】 Studying on the infilled walls,two problems are needed to pay attention to:(1)the infilled walls should meet the deformation capacity of the frames,(2)they affect the initial stiffness of the frames.In this paper,research on seismic behavior of four full scale infilled masonry walls under quasi-static test is presented.Based on the test,the seismic behavior of the infilled walls with openings and the walls without openings are compared.The XPS flexible connection reducing the effect on frame is studied.The results show that the initial stiffness of the walls with openings is smaller than the walls without openings,but the effect on the initial stiffness of the frames can’t be ignored.The deformation capability of infilled walls in test can’t meet the code for seismic design of buildings.The effect on the initial stiffness of the frames is reduced by around 50% by using XPS,at the same time,the deformation capability of the infilled walls can meet the code for seismic design of buildings.

【基金】 北京市教育委员会科技计划项目(JC004999200801)
  • 【文献出处】 工程抗震与加固改造 ,Earthquake Resistant Engineering and Retrofitting , 编辑部邮箱 ,2011年01期
  • 【分类号】TU364;TU311.3
  • 【被引频次】13
  • 【下载频次】313
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