EFFECT OF INITIAL IMPERFECTION ON MECHANICAL PROPERTY OF STUB COLUMNS OF SQUARE CONCRETE-FILLED THIN-WALLED STEEL TUBES

Wang Zhibin; Tao Zhong

doi:10.13204/j.gyjz200611005

Volume 36 Issue 11

Dec. 2014

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Wang Zhibin, Tao Zhong, . EFFECT OF INITIAL IMPERFECTION ON MECHANICAL PROPERTY OF STUB COLUMNS OF SQUARE CONCRETE-FILLED THIN-WALLED STEEL TUBES[J]. INDUSTRIAL CONSTRUCTION, 2006, 36(11): 19-22. doi: 10.13204/j.gyjz200611005

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Wang Zhibin, Tao Zhong, . EFFECT OF INITIAL IMPERFECTION ON MECHANICAL PROPERTY OF STUB COLUMNS OF SQUARE CONCRETE-FILLED THIN-WALLED STEEL TUBES[J]. INDUSTRIAL CONSTRUCTION, 2006, 36(11): 19-22. doi: 10.13204/j.gyjz200611005

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EFFECT OF INITIAL IMPERFECTION ON MECHANICAL PROPERTY OF STUB COLUMNS OF SQUARE CONCRETE-FILLED THIN-WALLED STEEL TUBES

doi: 10.13204/j.gyjz200611005

Wang Zhibin¹,
Tao Zhong¹,

1.
1 College of Civil Engineering,Fuzhou University Fuzhou 350002;
2.
2 Department of Civil Engineering,Tsinghua University Beijing 100084

Received Date: 2006-06-20
Publish Date: 2006-11-20

Abstract

Abstract

By considering the effect of initial imperfection,ABAQUS software is used to perform nonlinear finite element analysis of behaviour of square concrete-filled thin-walled steel tubes under axial compression.The calculated load-deformation curves are in good agreement with those of tests.The effects of imperfection under different conditions on the behaviour of thin-walled composite columns are analyzed.
- concrete-filled steel tube,
- thin-walled,
- axial compression,
- local buckling,
- bearing capacity,
- non-linear

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References(8)

References

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韩林海.钢管混凝土结构--理论与实践.北京:科学出版社,2004

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[5] Teng J G,Lin X,Rotter J M,et al.Analysis of Geometric Imperfection in Full-Scale Welded Steel Silos.Engineering Structures,2005,27(7):938-950

[6] 曹宝珠.薄壁钢-混凝土组合构件静力性能研究:[博士学位论文].哈尔滨:哈尔滨工业大学,2004

[7] Wright H D.Local Stability of Filled and Encased Steel Section.Journal of Structural Engineering,1995,121(10):1 382-1 388

[8] Uy B.Local and Post-Local Buckling of Concrete Filled Steel Welded Box Columns.Journal of Constructional Steel Research,1998,47 (1-2):47-72

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