Experimental Research on Seismic Behaviors of T-Shaped Concrete-Filled Steel Tubular Frame Joints

Cheng Xiang Xu; Zan Jun Wu; Lei Zeng

doi:10.4028/www.scientific.net/AMR.368-373.38

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 368-373Experimental Research on Seismic Behaviors of...

Experimental Research on Seismic Behaviors of T-Shaped Concrete-Filled Steel Tubular Frame Joints

Abstract:

To understand mechanical characteristics and seismic behaviors of T-shaped concrete-filled steel tubular (CFST) joints, cyclic loading tests were carried out on four 1/2-scale exterior joints of top floor. The study includes joints’ mechanical character, failure mode, hysteretic behavior, ductility, energy dissipation and stiffness degradation under different height of beam and different axial compression ratios. The results indicate that frame joints satisfy the design principle of stronger joints and weaker components. The hysteretic loops are plump, ductility and energy dissipation capacity is better than that of ordinary reinforced concrete joints. Axial compression ratios can influence seismic behaviors of frame joints to some degree.

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Periodical:

Advanced Materials Research (Volumes 368-373)

Pages:

38-41

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.368-373.38

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Online since:

October 2011

Authors:

Cheng Xiang Xu, Zan Jun Wu, Lei Zeng

Keywords:

Concrete-Filled Steel Tube (CFST), Experimental Study, Frame Joint, Seismic Behavior, T-Shaped

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References

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