EXPERIMENTAL STUDY ON SEISMIC BEHAVIORS OF CIRCULAR STEEL TUBE COMPOSITE COLUMNS FILLED WITH STEEL REINFORCED CONCRETE

Xu Yafeng; Zhao Jingyi; Zhang Shixian; Lu Xiaoyi

doi:10.13204/j.gyjz200907029

Volume 39 Issue 7

Dec. 2014

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Article Navigation > INDUSTRIAL CONSTRUCTION > 2009 > 39(7): 107-110

Xu Yafeng, Zhao Jingyi, Zhang Shixian, Lu Xiaoyi. EXPERIMENTAL STUDY ON SEISMIC BEHAVIORS OF CIRCULAR STEEL TUBE COMPOSITE COLUMNS FILLED WITH STEEL REINFORCED CONCRETE[J]. INDUSTRIAL CONSTRUCTION, 2009, 39(7): 107-110. doi: 10.13204/j.gyjz200907029

Citation:

Xu Yafeng, Zhao Jingyi, Zhang Shixian, Lu Xiaoyi. EXPERIMENTAL STUDY ON SEISMIC BEHAVIORS OF CIRCULAR STEEL TUBE COMPOSITE COLUMNS FILLED WITH STEEL REINFORCED CONCRETE[J]. INDUSTRIAL CONSTRUCTION, 2009, 39(7): 107-110. doi: 10.13204/j.gyjz200907029

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EXPERIMENTAL STUDY ON SEISMIC BEHAVIORS OF CIRCULAR STEEL TUBE COMPOSITE COLUMNS FILLED WITH STEEL REINFORCED CONCRETE

doi: 10.13204/j.gyjz200907029

1.
1. College of Civil Engineering,Shenyang Jianzhu University,Shenyang 110168,China;
2.
2. Jinan Branch,China Space Civil &Building Engineering Design &Research Institute(Group),Jinan 250012,China;
3.
3. China Beijing Architectural Design &Research Institute Ltd,Beijing 100037,China;
4.
4. Zhejiang Chengjian Construction Group Co. Ltd,Hangzhou 310007,China

Received Date: 2008-08-20
Publish Date: 2009-07-20

Abstract

Abstract

To understand mechanical properties of circular steel tube composite columns filled with steel reinforced concrete under low frequency cyclic loading,five circular steel tube composite columns filled with steel reinforced concrete under horizontal low-cyclic loading are tested,whose results are analyzed.The looping curves and the skeleton curves under different axial compression ratios and different steel ratios are obtained,and it is compared the effects of different axial compression ratios and different steel ratios on bearing capacity of members.The results show that circular steel tube composite columns filled with steel reinforced concrete has a high bearing capacity,and a good capacity of energy dissipation.From the skeleton curve,it is found that with the increase of steel ratio,the bearing capacity and ductility of columns have been significantly improved;in addition,with increase in the axial compression ratio,ductility of the components is decreased and the lower the axial compression ratio,the better the ductility of the components.
- circular steel tube composite column filled with steel reinforced concrete,
- steel ratio,
- axial compression ratio,
- ductility

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References(17)

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