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

Tao Zhong; Han Linhai; Zheng Yongqian; Huang Hong

doi:10.13204/j.gyjz200401002

Volume 34 Issue 1

Dec. 2014

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Tao Zhong, Han Linhai, Zheng Yongqian, Huang Hong. FLEXURAL BEHAVIORS OF CONCRETE-FILLED DOUBLE-SKIN (CHS INNER AND SHS OUTER)STEEL TUBES[J]. INDUSTRIAL CONSTRUCTION, 2004, 34(1): 6-9,5. doi: 10.13204/j.gyjz200401002

Citation:

Tao Zhong, Han Linhai, Zheng Yongqian, Huang Hong. FLEXURAL BEHAVIORS OF CONCRETE-FILLED DOUBLE-SKIN (CHS INNER AND SHS OUTER)STEEL TUBES[J]. INDUSTRIAL CONSTRUCTION, 2004, 34(1): 6-9,5. doi: 10.13204/j.gyjz200401002

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

doi: 10.13204/j.gyjz200401002

1.
College of Civil Engineering and Architecture,Fuzhou University Fuzhou 350002

Received Date: 2003-09-10
Publish Date: 2004-01-20

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 square hollow section (SHS) as outer skin and circular hollow section(CHS)as inner skin.The parameter varied in the tests was hollow section ratio.Utilizing the stress-strain relations of steel and concrete presented in the literature for concrete-filled square steel tubes, a numerical method is applied to the analysis of load-deformation curves of the double-skin composite members subjected to pure bending.The calculated results agree well with those of the tests.A simplified model is developed for calculating the bearing capacity and rigidity of the CFDST beams, which may be a reference for engineering practice.
- concrete-filled steel tubes,
- hollow sections,
- pure bending,
- flexural behavior,
- bearing capacity

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References(9)

References

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Wei S, Mau S T, Vipulanandan C, et al.Performance of New Sandwich Tube under Axial Loading Experiment.Journal of Structural Engineering, 1995, 121(12):1 806～1 814

[3] Zhao X L, Grzebieta R H, Elchalakani M.Tests of Concrete-Filled Double Skin CHS Composite Stub Columns.Steel and Composite Structures-An International Journal, 2002, 2(2):129～142

[4] Zhao X L, Grzebieta R.Strength and Ductility of Concrete-Filled Double Skin (SHS Inner and SHS Outer)Tubes.Thin-Walled Structures, 2002, 40:199～213

[5] Xiao Y, Mahin S A.Double-Skin Composite Tubular Columns Subjected Cyclic Horizontal Force and Constant Axial Force.In:Proceedings of 6th ASCCS Conference.Los Angeles:2000.22～24

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