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Title: Test and analysis on the seismic performance of a steel truss-to-circular CFT column sub-assembly
Authors: Li, ZQ
Wang, W
Chen, YY
Chan, TM 
Keywords: Steel truss-circular CFI' column connection
Quasi-static test
Load-bearing mechanism
Seismic performance
Energy dissipation
Issue Date: 2014
Publisher: Elsevier
Source: Journal of constructional steel research, 2014, v. 103, p. 200-214 How to cite?
Journal: Journal of constructional steel research 
Abstract: This paper presents an experimental and theoretical investigation on connection between steel truss and circular concrete-filled tubular (CET) columns used for modern low-rise railway station platforms. Two full-scale cyclic tests were performed on connection sub-assembly and results showed that relative strength between the steel truss and column zone had a major effect on the subassembly's seismic performance and failure patterns. Results also indicated that a better deformability and energy dissipation capacity can be obtained if the column zone is slightly weaker than the steel truss. In addition, a simplified theoretical model was proposed to predict the experimental load-deformation histories and failure patterns. Satisfactory comparisons were observed.
ISSN: 0143-974X
EISSN: 1873-5983
DOI: 10.1016/j.jcsr.2014.09.007
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