FLEXURAL BEHAVIOR OF CONCRETE FILLED DOUBLE-SKIN (CHS INNER AND CHS OUTER) STEEL TUBES

Huang Hong; Tao Zhong

doi:10.13204/j.gyjz200611004

Volume 36 Issue 11

Dec. 2014

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Citation:

Huang Hong, Tao Zhong, . FLEXURAL BEHAVIOR OF CONCRETE FILLED DOUBLE-SKIN (CHS INNER AND CHS OUTER) STEEL TUBES[J]. INDUSTRIAL CONSTRUCTION, 2006, 36(11): 15-18,61. doi: 10.13204/j.gyjz200611004

Citation:

Huang Hong, Tao Zhong, . FLEXURAL BEHAVIOR OF CONCRETE FILLED DOUBLE-SKIN (CHS INNER AND CHS OUTER) STEEL TUBES[J]. INDUSTRIAL CONSTRUCTION, 2006, 36(11): 15-18,61. doi: 10.13204/j.gyjz200611004

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FLEXURAL BEHAVIOR OF CONCRETE FILLED DOUBLE-SKIN (CHS INNER AND CHS OUTER) STEEL TUBES

doi: 10.13204/j.gyjz200611004

Huang Hong¹,
Tao Zhong¹,

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

Received Date: 2006-07-17
Publish Date: 2006-11-20

Abstract

Abstract

A total of five specimens were tested under pure bending to investigate the behavior of concrete filled double-skin steel tubular(CFDST) beams.The specimens were fabricated with circular hollow section(CHS) as outer and inner skins.The parameters varied in the tests were hollow section ratio.Utilizing the stress-strain relations of steel and concrete presented in concrete filled circular steel tubes,a numerical method is used for the analysis of load-deformation curves of the double-skin composite members subjected to pure bending.The calculated results agree well with those of tests.A simplified model is also developed for calculating the bearing capacities of the CFDST beams.
- concrete filled double-skin steel tubes,
- pure bending,
- bearing capacity,
- flexural rigidity

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References(4)

References

[2] Lin Minlang,Tsai Keh-Chyuan.Behavior of Double-Skinned Composite Steel Tubular Columns Subjected to Combined Axial and Flexural Loads//First International Conference on Steel Composite Structures.Pusan,Korea:2001:1 145-1 152

Tao Zhong,Han Linhai,Zhao Xiaoling.Behavior of Concrete-Filled Double Skin (CHS Inner and CHS Outer) Steel Tubular Stub Columns and Beam-Columns.Journal of Constructional Steel Research,2004,60(8):1 129-1 158

[3] 韩林海.钢管混凝土结构--理论与实践.北京:科学出版社,2004

[4] Varma Amit H,Ricles James M,Sause Richard,et al.Seismic Behavior and Modeling of High-Strength Composite Concrete-Filled Tube (CFT)Beam-Columns.Journal of Constructional Steel Research,2002,58(5-8):725-758

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