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Journal of Asian Architecture and Building Engineering - Vol. 15 , No. 3

[ Building Structures and Materials ]
Journal of Asian Architecture and Building Engineering - Vol. 15, No. 3, pp.613-618
ISSN: 1346-7581 (Print) 1347-2852 (Online)
Print publication date 30 Sep 2016
Received 06 Oct 2015 Accepted 11 Jul 2016
DOI: https://doi.org/10.3130/jaabe.15.613

Seismic Performance of Shear Wall with CFST Columns and Encased Steel Truss
Yabin Yang*, 1 ; Wanlin Cao2
1Associate Professor, Institute of Civil Engineering and Transportation, North China University of Water Resources and Electric Power, China
2Professor, Institute of Construction Engineering, Beijing University of Technology, China

Correspondence to : *Yabin Yang, Associate Professor, North China University of Water Resources and Electric Power No. 36 Beihuan Road, Zhengzhou, Henan, China Tel: +86-0371-65790682 Fax:+86-0371-65790682 E-mail: yabinyang@126.com


Abstract

A shear wall with concrete filled steel tube (CFST) columns and encased steel truss is a new type of shear wall. To determine the seismic performance of the new shear wall, an experiment was carried on a 1/5-scale model. Based on the experimental study, the load-carrying capacity, stiffness, ductility, hysteretic property, energy dissipation and failure phenomena of the model were analyzed. It shows that the seismic performance of a shear wall with CFST columns and encased steel truss has high bearing capacity, stiffness, energy dissipation capacity and good ductility. In addition, a numerical elastic-plastic finite element (FE) analysis of a shear wall with CFST columns and encased steel truss were carried out. The computation results were in good agreement with the test results. FE software, ABAQUS, was used to change the ratio of steel truss to steel tubes and normalized axial force. The influences of different parameters of shear walls were carried out.


Keywords: CFST, encased steel truss, shear wall, seismic performance, experimental research

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