[1]汪梦甫,黄青山,邬文奇.新型外廊式钢筋混凝土框架结构抗震性能试验研究[J].地震工程与工程振动,2018,(01):135-143.[doi:10.13197/j.eeev.2018.01.135.wangmf.015]
 WANG Mengfu,HUANG Qingshan,WU Wenqi.Experimental study on seismic behavior of innovative side corridor RC frame[J].EARTHQUAKE ENGINEERING AND ENGINEERING DYNAMICS,2018,(01):135-143.[doi:10.13197/j.eeev.2018.01.135.wangmf.015]
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新型外廊式钢筋混凝土框架结构抗震性能试验研究
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《地震工程与工程振动》[ISSN:/CN:]

卷:
期数:
2018年01期
页码:
135-143
栏目:
论文
出版日期:
2018-06-30

文章信息/Info

Title:
Experimental study on seismic behavior of innovative side corridor RC frame
作者:
汪梦甫 黄青山 邬文奇
湖南大学 土木工程学院, 湖南 长沙 410082
Author(s):
WANG Mengfu HUANG Qingshan WU Wenqi
College of Civil Engineering, Hunan University, Changsha 410082, China
关键词:
外廊式框架结构阻尼填充墙PVA-ECC柱低周反复加载试验抗震性能
Keywords:
side corridor framedamped infill wallPVA-ECC columnquasi-static testseismic performance
分类号:
TU375.4;P315.9
DOI:
10.13197/j.eeev.2018.01.135.wangmf.015
摘要:
为改善带填充墙外廊式框架结构的抗震性能,尝试将采用高阻尼砂浆阻尼层的阻尼填充墙和PVA-ECC材料应用于外廊式框架结构中。以5.12汶川地震中倒塌的漩口中学综合教学楼为原型,选取最具代表性的中间榀较大跨满布填充墙框架的底层,设计制作了2个缩尺比例为1/4的单层两不等跨试验模型,并进行了低周反复加载试验,得到了其裂缝发展情况、破坏形态、承载能力、滞回曲线、骨架曲线、位移延性、刚度退化以及耗能性能。结果表明:采用高阻尼砂浆阻尼层的阻尼填充墙较普通填充墙具有更强的变形能力,对主体框架变形约束更弱,能延缓主体框架的破坏;采用PVA-ECC柱的组合框架较普通混凝土框架具有更强的承载力、更高的延性、更好的刚度退化与耗能性能。
Abstract:
In order to improve the seismic performance of side corridor frame with infill wall, damped infill wall with high-damping mortar layer and PVA-ECC were applied to side corridor frame in this paper. Bottom of the intermediate frame with masonry fully infilled in the larger span of the collapsed Xuankou middle school building in 5.12 Wenchuan earthquake was selected as the prototype, and two 1/4 scale, single-story, two-bay specimens have been designed and made. Quasi-static tests of the two specimens were carried out, and their crack developments, failure patterns, bearing capacities, hysteretic curves, stiffness degradation rules, ductility coefficients and energy dissipation behaviors were obtained. It shows that:compared with conventional infill wall, the deformation capacity of damped infill wall with high-damping mortar layer is obviously increased, weaker constraint to the lateral deformation of its frame are appeared and damped infill wall with high-damping mortar layer can delay the destruction of the frame; compared with RC frame, PVA-ECC/RC frame has stronger bearing capacity, higher ductility, better stiffness degradation rule and energy dissipation behavior.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2017-02-08;改回日期:2017-06-07。
基金项目:教育部博士点基金项目(20120161110022)
作者简介:汪梦甫(1965-),男,教授,主要从事结构抗震研究.E-mail:wangmengfu@126.com
更新日期/Last Update: 1900-01-01