Behavior of circular concrete-filled steel tubular columns under pure torsion

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	Steel and Composite Structures Volume 26, Number 4, February25 2018, pages 501-511 DOI: https://doi.org/10.12989/scs.2018.26.4.501
	Behavior of circular concrete-filled steel tubular columns under pure torsion
	Fa-xing Ding, Qiang Fu, Bing Wen, Qi-shi Zhou and Xue-mei Liu
Abstract [Buy Article]
	Concrete-filled steel tubular (CFT) columns are commonly used in engineering structures and always subjected to torsion in practice. This paper is thus devoted to investigate the mechanical behavior of circular CFT columns under pure torsion.3D finite element models based on reasonable material constitutive relation were established for analyzing the load-strain (T-–
Key Words
	concrete-filled steel tube (CFT); pure torsion; finite element; ultimate bearing capacity; confinement effect
Address
	(1) Fa-xing Ding, Qiang Fu, Bing Wen, Qi-shi Zhou: School of Civil Engineering, Central South University, Changsha 410075, P.R. China; (2) Xue-mei Liu: School of Civil Engineering and Built Environment, Queensland University of Technology, Brisbane, QLD 4001, Australia.