CFDST stub columns subjected to large deformation axial loading

Xiao Ling Zhao; Le Wei Tong; Xing Yi Wang

doi:10.1016/j.engstruct.2009.11.015

CFDST stub columns subjected to large deformation axial loading

Xiao Ling Zhao, Le Wei Tong, Xing Yi Wang

Research output: Journal article publication › Journal article › Academic research › peer-review

140 Citations (Scopus)

Abstract

This paper reports a series of tests on CFDST (concrete-filled double skin tube) stub columns subjected to large deformation axial loading. Both the outer and inner tubes are circular hollow sections (CHS) with a diameter-to-thickness ratio ranging from 19 to 96. It was found that CFDST significantly improved the behaviour of CHS in terms of failure modes, load carrying capacity and energy absorption. Multiple folds were formed in CFDST under large deformation axial loading. The load drop during cyclic loading was found to be insignificant (about 20 to 30%). The behaviour after the cyclic loading was influenced by the stage of the cyclic loading and the D / t ratio.

Original language	English
Pages (from-to)	692-703
Number of pages	12
Journal	Engineering Structures
Volume	32
Issue number	3
DOIs	https://doi.org/10.1016/j.engstruct.2009.11.015
Publication status	Published - Mar 2010
Externally published	Yes

Keywords

CFDST
Large deformation
Steel hollow section
Stub columns

ASJC Scopus subject areas

Civil and Structural Engineering

More information

10.1016/j.engstruct.2009.11.015

Cite this

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abstract = "This paper reports a series of tests on CFDST (concrete-filled double skin tube) stub columns subjected to large deformation axial loading. Both the outer and inner tubes are circular hollow sections (CHS) with a diameter-to-thickness ratio ranging from 19 to 96. It was found that CFDST significantly improved the behaviour of CHS in terms of failure modes, load carrying capacity and energy absorption. Multiple folds were formed in CFDST under large deformation axial loading. The load drop during cyclic loading was found to be insignificant (about 20 to 30%). The behaviour after the cyclic loading was influenced by the stage of the cyclic loading and the D / t ratio.",

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AU - Tong, Le Wei

AU - Wang, Xing Yi

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N2 - This paper reports a series of tests on CFDST (concrete-filled double skin tube) stub columns subjected to large deformation axial loading. Both the outer and inner tubes are circular hollow sections (CHS) with a diameter-to-thickness ratio ranging from 19 to 96. It was found that CFDST significantly improved the behaviour of CHS in terms of failure modes, load carrying capacity and energy absorption. Multiple folds were formed in CFDST under large deformation axial loading. The load drop during cyclic loading was found to be insignificant (about 20 to 30%). The behaviour after the cyclic loading was influenced by the stage of the cyclic loading and the D / t ratio.

AB - This paper reports a series of tests on CFDST (concrete-filled double skin tube) stub columns subjected to large deformation axial loading. Both the outer and inner tubes are circular hollow sections (CHS) with a diameter-to-thickness ratio ranging from 19 to 96. It was found that CFDST significantly improved the behaviour of CHS in terms of failure modes, load carrying capacity and energy absorption. Multiple folds were formed in CFDST under large deformation axial loading. The load drop during cyclic loading was found to be insignificant (about 20 to 30%). The behaviour after the cyclic loading was influenced by the stage of the cyclic loading and the D / t ratio.

KW - CFDST

KW - Large deformation

KW - Steel hollow section

KW - Stub columns

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SN - 0141-0296

VL - 32

SP - 692

EP - 703

JO - Engineering Structures

JF - Engineering Structures

IS - 3

ER -

CFDST stub columns subjected to large deformation axial loading

Abstract

Keywords

ASJC Scopus subject areas

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