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...

方钢管高强混凝土柱恢复力模型研究

, PP. 54-59

Keywords: 方钢管混凝土柱,恢复力模型,轴压比,约束效应系数,长细比

Full-Text   Cite this paper   Add to My Lib

Abstract:

根据23根方钢管高强混凝土柱在反复水平荷载作用下的试验结果,通过理论分析和试验结果的回归分析,提出了方钢管高强混凝土柱的恢复力模型;确定了轴压比、约束效应系数、长细比等主要参数与恢复力模型之间的关系;给出了各特征点参数的计算方法。研究结果表明最大荷载与屈服荷载的比值、退化刚度与弹性刚度的比值都随着轴压比和长细比的增加而减小,随着约束效应系数的增加而增大;按建议的恢复力模型计算的骨架曲线与试验曲线符合较好。文中建议的恢复力模型既反映了主要影响因素,又便于对结构进行非线性动力分析。

References

[1]  韩林海.钢管混凝土结构理论与实践[M](第二版).北京:科学出版社,2007.HAN Linhai.Theory and practice of concrete-filled steel tubular structure[M].Beijing:Science Press,2007.
[2]  屠永清.钢管混凝土压弯构件恢复力特征的研究[D].哈尔滨:哈尔滨建筑大学,1994.TU Yongqing.Research on the characteristics of restoring force for concrete-filled steel tube compression-bending members[D].Harbin:Harbin Building University,1994.
[3]  韩林海,陶忠.方钢管混凝土柱的延性系数[J].地震工程与工程振动,2000,20(4):56-65.HAN Linhai,TAO Zhong.Ductility coefficient of concrete filled steel tubular columns with square sections[J].Journal of Earthquake Engineering and Engineering Vibration,2000,20(4):56-65.
[4]  张素梅,刘界鹏,王玉银,et al.双向压弯方钢管高强混凝土构件滞回性能试验与分析[J] 建筑结构学报,2005,26(3):9-18.ZHANG Sumei,LIU Jiepeng,WANG Yuyin,et al.Hysteretic behavior of biaxial loaded high strength concrete-filled square hollow section beamcolumn[J].Journal of building structures,2005,26(3):9-18.
[5]  孙修礼,梁书亭,段友利.钢管混凝土框架骨架曲线研究[J].地震工程与工程振动,2007,27(1):99-103.SUN Xiuli,LIANG Shuting,DUAN Youli.Research on skeleton curves of concrete-filled steel tubular frame structure[J].Journal of Earthquake Engineering and Engineering Vibration,27(1):99-103.
[6]  Varma A H,Richard J M.Seismic behavior and design of high-strength square concrete-filled steel tube beam columns[J].Journal of Structural Engineering,2004,13(2):169-179.
[7]  游经团.矩形钢管混凝土压弯构件滞回性能研究[D].福州:福州大学,2002.YOU Jingtuan.Study for dynamical behaviors of concrete filled rectangular steel tubes[D].Fuzhou:Fuzhou University,2002.
[8]  李学平,吕西林,郭少春.反复荷载作用下矩形钢管混凝土柱的抗震性能的试验研究[J].地震工程与工程振动,2005,25(5):95-103.LI xueping,LüXilin,GUO Shaochun.Seismic behavior of CFRT columns under cyclic loading[J].Journal of Earthquake Engineering and Engineering Vibration,2007,25(5):95-103.
[9]  马恺泽.方钢管高强混凝土柱抗震性能研究[D].内蒙古科技大学,2008.MA Kaize.Study on seismic behaviors of high strength concrete-filled rectangular steel tube columns[D].Inner Mongolia Scientific and Technical University,2008.
[10]  Eurocode4(EC4),Design of composite steel and concrete structure-partⅠ:General rules and for buildings[S].

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133