[1]彭斌,曹万林,王智慧,等.不同方向水平力下多腔钢管混凝土巨型柱抗震性能研究[J].世界地震工程,2012,(02):090-97.
 PENG Bin,CAO Wanlin,WANG Zhihui,et al.Research on seismic behavior of multi-cell CFST mega-columns under horizontal forces in different directions[J].,2012,(02):090-97.
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不同方向水平力下多腔钢管混凝土巨型柱抗震性能研究
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《世界地震工程》[ISSN:/CN:]

卷:
期数:
2012年02期
页码:
090-97
栏目:
出版日期:
2012-06-30

文章信息/Info

Title:
Research on seismic behavior of multi-cell CFST mega-columns under horizontal forces in different directions
作者:
彭斌 曹万林 王智慧 董宏英 张建伟
北京工业大学 建筑工程学院, 北京 200124
Author(s):
PENG Bin CAO Wanlin WANG Zhihui DONG Hongying ZHANG Jianwei
College of Architecture and Civil Engineering, Beijing University of Technology, Beijing 100124, China
关键词:
多腔钢管混凝土巨型柱水平力作用方向抗震性能试验研究
Keywords:
multi-cell CFST columnmega-columndirection of horizontal forceseismic behaviorexperimental research
分类号:
TU375
摘要:
提出了一种异形截面的多腔钢管混凝土巨型柱,研究了其在不同方向水平力作用下的抗震性能。进行了6个1/25缩尺的巨型柱模型在竖向荷载和不同方向水平反复荷载作用下的抗震性能试验研究,其中:2个试件的水平力沿截面长轴方向施加,2个试件的水平力沿截面短轴方向施加,2个试件的水平力沿与长轴及短轴呈45度方向施加,3种水平力加载方向的试件轴压比分别为0.5、0.25。基于试验结果,分析了各试件的承载力、刚度及其退化过程、延性、滞回特性、耗能和破坏特征。进行了数值模拟分析,计算结果与试验符合较好。研究表明,提出的异形截面多腔钢管混凝土巨型柱有良好的抗震性能,且其抗震性能与水平力作用方向相关。
Abstract:
A multi-cell concrete-filled still tube(CFST) mega-column with special shaped section was proposed, and its seismic behavior under horizontal forces in different direction was researched. The experimental research on seismic behavior of six 1/25 scaled multi-cell CFST mega-column models was carried out under vertical loading, as well as the horizontal low cyclic loading in different direction. The axial force ratio was 0.5 and 0.25. The horizontal load was applied along the long axis, the short axis, and in the direction of 45° intersetion angle with long and short axes,respectively. The load-bearing capacity, stiffness and its degeneration, ductility, hysteretic properties, energy dissipation capacity, and failure characteristic of models were analyzed based on the experimental results.Numerical simulation analysis was also made, and the its results agree well with those from the test. The results show that the multi-cell CFST mega-column with special shaped section has good seismic behavior, and the behavior is relevant to the direction of horizontal forces action.

备注/Memo

备注/Memo:
收稿日期:2012-2-18;改回日期:2012-4-15。
作者简介:彭斌(1982-),男,博士,主要从事工程抗震研究. E-mail: pengbin13@emails.bjut.edu.cn
更新日期/Last Update: 1900-01-01