Parametric study on the static compressive behaviour of concrete-filled double-skin sections consisting of corrugated plates

The compressive behaviour of Concrete-Filled Double-Skin tubular (CFDST) sections consisting of corrugated plates is investigated numerically in this study. Finite element simulations are employed to decipher more details on the compressive behaviour of numerous archetypes with different geometries...

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Bibliographic Details
Published in:Thin-walled structures 2016-10, Vol.107, p.526-542
Main Authors: Farahi, Mojtaba, Heidarpour, Amin, Zhao, Xiao-Ling, Al-Mahaidi, Riadh
Format: Article
Language:English
Subjects:
Composite columns
Compression capacity
Compressive properties
Compressive strength
Computer simulation
Concretes
Corrugated plates
Cross sections
Double-skin concrete-filled sections
Finite element simulation
Mathematical analysis
Mathematical models
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Summary:The compressive behaviour of Concrete-Filled Double-Skin tubular (CFDST) sections consisting of corrugated plates is investigated numerically in this study. Finite element simulations are employed to decipher more details on the compressive behaviour of numerous archetypes with different geometries and material properties. The results of these simulations reveal how the ultimate static compressive capacity of the intended sections may be affected by changing the geometric and material properties. Different cross-section shapes, dimensions and heights within the practical range are considered for the proposed archetypes. In addition, a wide range of concrete compressive strength values are assigned to the concrete infill of the archetypes. The ultimate axial capacity of almost all the intended CFDST archetypes is mainly dominated by concrete compressive strength. In conjunction with numerical simulations, different design formulations are also employed to predict the ultimate axial load-bearing capacity of CFDST sections. •A finite element modelling framework was developed and validated.•CFDSTs with various corrugated cross-section shapes were investigated.•Parametric study was conducted to study the effect of different parameters.•A stable behaviour was captured for CFDSTs with practical dimensions and lengths.
ISSN:0263-8231
1879-3223
DOI:10.1016/j.tws.2016.07.007