Paper Title:
Research on Hysteretic Behavior of the Concrete Filled Square CFRP-Steel Tubular (S-CFRP-CFST) Beam-Columns (II): Experimental Results and Analysis
  Abstract

Based on analysis of the hysteretic experimental results of the concrete filled square CFRP-steel tubular (S-CFRP-CFST) beam-columns, it shows that the steel tube and the CFRP material can work concurrently both in longitudinal and transverse directions, the longitudinal strain and the transverse strain at a same point have opposite action. Additionally, the deflection curves of all the specimens are close to half sinusoidal shape. Analysis indicates that there is some strength degradation. The axial compression ratio and strengthening factor of the longitudinal CFRP can enhance the strength and the stiffness of the members and they can also delay the stiffness degradation. However, they will decrease the accumulated energy dissipation of the members. The axial compression ratio is beneficial to seismic behaviors to some extent.

  Info
Periodical
Advanced Materials Research (Volumes 163-167)
Edited by
Lijuan Li
Pages
3575-3579
DOI
10.4028/www.scientific.net/AMR.163-167.3575
Citation
Y. Che, Q. L. Wang, Y. B. Shao, X. Zhang, "Research on Hysteretic Behavior of the Concrete Filled Square CFRP-Steel Tubular (S-CFRP-CFST) Beam-Columns (II): Experimental Results and Analysis", Advanced Materials Research, Vols. 163-167, pp. 3575-3579, 2011
Online since
December 2010
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