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A Study on Shear Connectors of Square Concrete Filled Steel Tubes

Qiyun Qiao1, Xudong Zhang2, Jianhua Hu2
1. Beijing Key Lab of Earthquake Engineering and Structural Retrofit, Beijing University of Technology, Beijing, China
2. Beijing University of Technology, Beijing, China

Abstract—In the Concrete Filled Steel Tube (CFST) column-beam joint, the stress of the beam is firstly transferred to the steel tube, then transferred from the steel tube to the concrete by bond and shear connectors, hence, the shear connector of the CFST is a very important part. The author carried out a research on shear connector (steel rings) in square CFST. In order to compare with the test results, a FEM analysis on the steel rings of the CFST was carried out. The parameter was the B/t ratio of the steel tube, the number of steel rings, the thickness of the steel rings and the length between the steel rings. The analysis results fit well with the test results, and the influence of the length between two steel rings and the thickness of the steel rings was studied.
 
Index Terms—concrete filled steel tube, shear connector, steel rings, experimental study, FEM study

Cite: Qiyun Qiao, Xudong Zhang, and Jianhua Hu, "A Study on Shear Connectors of Square Concrete Filled Steel Tubes," International Journal of Structural and Civil Engineering Research, Vol. 4, No. 3, pp. 254-258, August 2015. doi: 10.18178/ijscer.4.3.254-258

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