全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

内圆外方复合钢管混凝土短柱轴压承载力试验研究

, PP. 40-46

Keywords: 内圆外方复合钢管混凝土短柱,轴心受压试验,约束,轴压承载力

Full-Text   Cite this paper   Add to My Lib

Abstract:

为研究内圆外方复合钢管混凝土柱的轴压承载力,完成了10个试件的轴心受压试验。试验结果表明达到峰值承载力时,方钢管纵向已屈服、横向尚未屈服;试件的破坏形态为方钢管向外鼓曲、沿纵向局部撕裂,方钢管与圆钢管之间的混凝土已经酥松、局部压碎;大部分试件即使纵向平均压应变达到0.11,尚能承担不小于其峰值承载力70%的轴力;压缩刚度的计算值平均为实测值的83.6%。采用钢管仅提供轴压承载力、不提供横向约束的假定计算得到的试件的轴压承载力,与试验结果符合最好。

References

[1]  吕天启,赵国藩.内圆钢管增强方钢管混凝土偏压极限承载力分析数值方法[J].大连理工大学学报,2001,41(5):612-616.LüTianqi,ZHAO Guofan.Numerical method for analysis of ultimate strength of concrete-filled square steel Tubular columns under eccentric compression reinforced by inner circular steel tube[J].Journal of Dalian University of Technology,2001,41(5):612-616.
[2]  裴万吉.复式钢管混凝土柱力学性能研究[D].长安大学,2005.PEI Wanji.Research on mechanical performance of multibarrel tube-confined concrete columns[D].Chang’an University,2005.
[3]  张玉芬,赵均海,李小伟.基于统一理论的复式钢管混凝土轴压承载力计算[J].西安建筑科技大学学报(自然科学版),2009,41(1):41-46.ZHANG Yufen,ZHAO Junhai,LI Xiaowei.On the axial bearing capacity of composite concrete-filled steel tubes based on the unified theory[J].Journal of Xi’an University of Architecture & Technology (Natural Science Edition),2009,41(1):41-46.
[4]  张志权,赵胜民,张玉芬,等.外方内圆钢管混凝土轴压承载力计算方法[J].建筑科学与工程学报,2009,26(2):63-68.ZHANG Zhiquan,ZHAO Shengmin,ZHANG Yufen,et al.Calculation method of axial bearing capacity of concrete-filled square steel tubular columns reinforced by inner circular steel tube[J].Jounal of Architecture and civil Engineering,2009,26(2):63-68.
[5]  CECS188:2005钢管混凝土叠合柱结构技术规程[S].CECS188:2005 Technical Specification for Steel Tube-Reinforced Concrete Column Structure[S].
[6]  中国土木工程学会高强与高性能混凝土委员会.高强混凝土结构设计与施工指南[M].第二版,北京:中国建筑工业出版社,2001.
[7]  韩林海,陶忠.方钢管混凝土轴压力学性能的理论分析与试验研究[J].土木工程学报,2001,34(2):17-25.HAN Linhai,TAO Zhong.Study on behavior of concrete filled square steel tubes under axial load[J].China Civil Engineering Journal,2001,34(2):17-25.
[8]  T Yamamoto,J Kawaguchi,S Morino.Experimental study of scale effects on the compressive behavior of short concrete-filled steel tube columns[C]//Proceedings of the Fourth International Conference on Composite Construction in Steel and Concrete,2000.
[9]  蔡绍怀.现代钢管混凝土结构(修订版)[M].北京:人民交通出版社,2007.CAI Shaohuai.Mordern steel tube confined concrete structures (revised edition)[M].Beijing:China Communication Press,2007.
[10]  韩林海,陶忠,王文达.现代组合结构和混合结构:试验、理论和方法[M].北京:科学出版社,2009.HAN Linhai,TAO Zhong,WANG Wenda.Advanced composite and mixed structures:testing,theory and design approach[M].Beijing:Science Press,2009.
[11]  TAO Zhong,HAN Linhai.Behaviour of concrete-filled double skin rectangular steel tubular beam-columns[J].Journal of Constructional Steel Research,2006,62(7):631-646.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133