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Interaction and Multiscale Mechanics
  Volume 5, Number 2, June 2012, pages 91-104
DOI: https://dx.doi.org/10.12989/imm.2012.5.2.091
 
open access

Inelastic stability analysis of high strength rectangular concrete-filled steel tubular slender beam-columns
Vipulkumar Ishavarbhai Patel, Qing Quan Liang and Muhammad N.S. Hadi

 
Abstract
    There is relatively little numerical study on the behavior of eccentrically loaded high strength rectangular concrete-filled steel tubular (CFST) slender beam-columns with large depth-to-thickness ratios, which may undergo local and global buckling. This paper presents a multiscale numerical model for simulating the interaction local and global buckling behavior of high strength thin-walled rectangular CFST slender beam-columns under eccentric loading. The effects of progressive local buckling are taken into account in the mesoscale model based on fiber element formulations. Computational algorithms based on the Muller
 
Key Words
    concrete-filled steel tubes; high strength materials; inelastic analysis; local buckling.
 
Address
Vipulkumar Ishavarbhai Patel and Qing Quan Liang: School of Engineering and Science, Victoria University, PO Box 14428, Melbourne, VIC 8001, Australia
Muhammad N.S. Hadi: School of Civil, Mining and Environmental Engineering, University of Wollongong, Wollongong, NSW 2522, Australia
 

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