[1]杨 勇,张雪昭,焦卫丽.焊接箍筋混凝土框架柱抗震性能试验研究[J].西安建筑科技大学学报:自然科学版,2014,46(03):323-328.[doi:10.15986/j.1006-7930.2014.03.004]
　YANG Yong,ZHANG Xuezhao,JIAO Weili.Experimental study on seismic performance of reinforced concrete frame columns with welding stirrups[J].J.Xi’an Univ. of Arch. & Tech.:Natural Science Edition,2014,46(03):323-328.[doi:10.15986/j.1006-7930.2014.03.004]
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焊接箍筋混凝土框架柱抗震性能试验研究()
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西安建筑科技大学学报:自然科学版[ISSN:1006-7930/CN:61-1295/TU]

卷:
46
期数:
2014年03期
页码:
323-328
栏目:
出版日期:
2014-06-30

文章信息/Info

Title:
Experimental study on seismic performance of reinforced concrete frame columns with welding stirrups
文章编号:
1006-7930(2014)03-0323-06
作者:
杨 勇 1;  张雪昭1; 焦卫丽1; 2
(1. 西安建筑科技大学土木工程学院,陕西 西安 710055; 2. 中国建筑科学研究院西北分院,陕西 西安 710055)
Author(s):
YANG Yong1;  ZHANG Xuezhao1;  JIAO Weili1; 2
(1. School of Civil Engineering, Xi’an Univ. of Arch. & Tech., Xi’an 710055, China 2. Northwest Branch China Construction Science Research Institute, Xi’an 710055, China)
关键词:
焊接箍筋; 钢筋混凝土; 框架柱; 抗震性能; 试验研究
Keywords:
welding stirrups;  reinforced concrete;  frame columns;  seismic performance;  experimental study
分类号:
TU375.3
DOI:
10.15986/j.1006-7930.2014.03.004
文献标志码:
A
摘要:
通过4 个绑扎箍筋钢筋混凝土柱和5 个焊接箍筋钢筋混凝土柱的低周反复水平加载试验,对比了焊接箍筋形式和绑扎箍筋形式对钢筋混凝土柱抗震性能的影响,探讨了焊接箍筋钢筋混凝土柱在抗震方面的性能,试验研究结果表明,焊接箍筋混凝土柱比绑扎混凝土柱的抗震性能有所提高.根据试验结果,分析焊接箍筋钢筋混凝土柱的滞回曲线和骨架曲线,得出不同轴压比和配箍率对焊接箍筋钢筋混凝土柱的耗能能力、延性性能和刚度退化的影响.在低周反复荷载下,焊接箍筋钢筋混凝土柱随着轴压比的降低,耗能能力增强,位移延性增大;在轴压比相同的条件下,耗能能力和位移延性随着配箍率的增大而增大.
Abstract:
Through low cyclic horizontal loading tests about the four reinforced concrete column with tie stirrup and five with welding stirrups, the effects of welding stirrups and tie stirrups on the seismic performance of reinforced concrete columns have been compared, and the performance of welding stirrups confined reinforced concrete columns in the earthquake have been explored. According to test results, this paper analyzed the hysteresis curves and skeleton curves about welding stirrups confined reinforced concrete columns. The influence of energy dissipation, ductility performance and stiffness degradation about welding stirrups confined reinforced concrete columns at different axial compression ratios and stirrup ratios are derived. Under the low reversed cyclic loading, to welding stirrups constraint reinforced concrete columns, the energy dissipation capacity enhancement and displacement ductility will increase as the axial compression ratios decreased. At the same axial compression ratio, the energy dissipation capacity and displacement ductility increased with the stirrup ratios.

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备注/Memo

备注/Memo:
收稿日期:2013-12-06 修改稿日期:2014-06-10
基金项目:西安市科技计划项目(CXY1122(1))
作者简介:杨勇(1976-),男,教授,博士,主要从事钢-混凝土组合结构和钢筋混凝土方向的研究教学工作.E-mail: Yyhhp2004@163.com
更新日期/Last Update: 2015-09-01