LIMIT ANALYSIS OF EXPANSIVE CONCRETE-FILLED STEEL TUBE SHORT COLUMNS UNDER AXIAL COMPRESSION

Lu Fangwei; Li Siping; Sun Guojun; Jin Yunfa

doi:10.13204/j.gyjz200708007

Volume 37 Issue 8

Dec. 2014

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Lu Fangwei, Li Siping, Sun Guojun, Jin Yunfa. LIMIT ANALYSIS OF EXPANSIVE CONCRETE-FILLED STEEL TUBE SHORT COLUMNS UNDER AXIAL COMPRESSION[J]. INDUSTRIAL CONSTRUCTION, 2007, 37(8): 25-27,21. doi: 10.13204/j.gyjz200708007

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Lu Fangwei, Li Siping, Sun Guojun, Jin Yunfa. LIMIT ANALYSIS OF EXPANSIVE CONCRETE-FILLED STEEL TUBE SHORT COLUMNS UNDER AXIAL COMPRESSION[J]. INDUSTRIAL CONSTRUCTION, 2007, 37(8): 25-27,21. doi: 10.13204/j.gyjz200708007

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LIMIT ANALYSIS OF EXPANSIVE CONCRETE-FILLED STEEL TUBE SHORT COLUMNS UNDER AXIAL COMPRESSION

doi: 10.13204/j.gyjz200708007

1.
1. Department of Engineering Mechanics,Shanghai Jiaotong University Shanghai 200240;
2.
2. Hongcheng Engineering Construction Co.Ltd.Jiaozuo 454000

Received Date: 2006-12-25
Publish Date: 2007-08-20

Abstract

Abstract

The ultimate bearing capacity of axially compressed expansive concrete-filled steel tube(CFT) short columns with circular section is analyzed using the limit analysis theory.The formula for the ultimate strength of expansive CFT short columns is proposed.Meanwhile,the expansive model of expansive CFT and the initial contact pressure between the tube and the core concrete caused by the expansion of concrete core are investigated.The factors influencing the ultimate bearing capacity of expansive CFT short columns are discussed.The calculated results obtained by the proposed formula are in good agreement with the experimental ones.
- expansive CFT column,
- axial load,
- expansive model,
- limit analysis

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References(12)

References

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