EXPERIMENTAL STUDY OF CONCRETE-FILLED DOUBLE SKIN STEEL TUBULAR COLUMNS WITH OCTAGON SECTION UNDER ECCENTRIC LOADS

Yang Junjie; Gao Zijun; Wu Zuxian

doi:10.13204/j.gyjz200903030

Volume 39 Issue 3

Dec. 2014

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Article Navigation > INDUSTRIAL CONSTRUCTION > 2009 > 39(3): 116-118,35

Yang Junjie, Gao Zijun, Wu Zuxian. EXPERIMENTAL STUDY OF CONCRETE-FILLED DOUBLE SKIN STEEL TUBULAR COLUMNS WITH OCTAGON SECTION UNDER ECCENTRIC LOADS[J]. INDUSTRIAL CONSTRUCTION, 2009, 39(3): 116-118,35. doi: 10.13204/j.gyjz200903030

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Yang Junjie, Gao Zijun, Wu Zuxian. EXPERIMENTAL STUDY OF CONCRETE-FILLED DOUBLE SKIN STEEL TUBULAR COLUMNS WITH OCTAGON SECTION UNDER ECCENTRIC LOADS[J]. INDUSTRIAL CONSTRUCTION, 2009, 39(3): 116-118,35. doi: 10.13204/j.gyjz200903030

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EXPERIMENTAL STUDY OF CONCRETE-FILLED DOUBLE SKIN STEEL TUBULAR COLUMNS WITH OCTAGON SECTION UNDER ECCENTRIC LOADS

doi: 10.13204/j.gyjz200903030

1.
1. College of Building Engineering,Zhejiang University of Technology,Hangzhou 310014,China;
2.
2. Taizhou Electric Power Bureau,Taizhou 317000,China

Received Date: 2008-10-20
Publish Date: 2009-03-20

Abstract

Abstract

The main parameters varied in the study are the slenderness ratio and eccentricity of load.Four concrete-filled double skin steel tubular(CFDSST) columns under eccentric loads and two columns under axial compression are studied. Based on the analysis of the experimental phenomenon in detail, some mechanic characteristics are put forward. Through the comparison with other two kinds of CFDSST (one with circular section, and the other with square section), the bearing capacity of the members is larger than that of the former and lesser than that of the latter. Finally, a simplified formula is proposed in the paper, and the calculated results are in good agreement with the test results or the mathematic results. The results are valuable for engineering designers
- double skin,
- octagon,
- slenderness ratio,
- eccentricity,
- load-displacement curve,
- bearing capacity

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References(6)

References

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[4] .杨俊杰, 徐汉勇, 彭国军. 八边形中空夹层钢管混凝土轴压短柱力学性能的研究[J]. 土木工程学报, 2007 , 40(2): 33-51.

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