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author:

Chen, B. (Chen, B..) [1] | Gao, J. (Gao, J..) [2]

Indexed by:

Scopus PKU CSCD

Abstract:

A total of 22 concrete filled steel tubular (CFST) columns with corrugated steel webs were tested, taking slenderness ratio and eccentricity ratio as key parameters. Load-deflection curves, strains in tubes and corrugated webs of the specimens are analyzed. Test results show that the mechanical behavior of CFST columns with corrugated steel webs is similar with that of CFST laced columns. The ultimate load is decreased with the increase of slenderness ratio and eccentric ratio, and the influence of slenderness ratio and eccentricity ratio on the ultimate load-carrying capacity is independent, product of the two reduction factors due to them can be applied to take the effect of them into consideration in the calculation of load-carrying capacity. The influence of shear deformation on the ultimate load-carrying capacity of CFST columns with corrugated steel webs should be considered. However, the shear deformation in CFST columns with corrugated web is smaller than that in CFST laced columns due to the higher shearing resistance of corrugated steel web. Based on calculation method for the critical load of columns with solid section, the method for the calculation of stability factor for CFST columns with corrugated webs is proposed.

Keyword:

Column; Concrete-filled steel tube (CFST); Corrugated steel web; Eccentric ratio; Slenderness ratio; Static test; Ultimate load-carrying capacity

Community:

  • [ 1 ] [Chen, B.]College of Civil Engineering, Fuzhou University, Fuzhou 350108, China
  • [ 2 ] [Gao, J.]College of Civil Engineering, Fuzhou University, Fuzhou 350108, China

Reprint 's Address:

  • [Chen, B.]College of Civil Engineering, Fuzhou University, Fuzhou 350108, China

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Source :

Journal of Building Structures

ISSN: 1000-6869

Year: 2009

Issue: 2

Volume: 30

Page: 55-63

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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