Behaviour and design calculations on very slender thin-walled CFST columns

Yu Feng An; Lin Hai Han; Xiao Ling Zhao

doi:10.1016/j.tws.2012.01.011

Behaviour and design calculations on very slender thin-walled CFST columns

Yu Feng An, Lin Hai Han, Xiao Ling Zhao

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

81 Citations (Scopus)

Abstract

This paper studies the behavior of very slender thin-walled concrete filled steel tubular (CFST) columns under axial compression. A finite element analysis (FEA) was developed to carry out the behavior of compressive columns. Initial out-of-straightness imperfection was discussed. Generally good agreement was obtained between the predicted and measured results. The FEA model was then used to perform mechanism analysis on very slender circular CFST columns. Parametric studies were carried out and the ultimate strengths from tested results and design codes were compared and discussed. The reliability analysis method was used to calibrate the existing design formulas given in DBJ/T13-51-2010, ANSI/AISC 360-05 and Eurocode 4.

Original language	English
Pages (from-to)	161-175
Number of pages	15
Journal	Thin-Walled Structures
Volume	53
DOIs	https://doi.org/10.1016/j.tws.2012.01.011
Publication status	Published - Apr 2012
Externally published	Yes

Keywords

Concrete filled steel tube (CFST)
Failure mode
Finite element analysis (FEA)
Reliability analysis
Slender column
Thin-walled section
Ultimate strength

ASJC Scopus subject areas

Civil and Structural Engineering
Building and Construction
Mechanical Engineering

More information

10.1016/j.tws.2012.01.011

Cite this

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title = "Behaviour and design calculations on very slender thin-walled CFST columns",

abstract = "This paper studies the behavior of very slender thin-walled concrete filled steel tubular (CFST) columns under axial compression. A finite element analysis (FEA) was developed to carry out the behavior of compressive columns. Initial out-of-straightness imperfection was discussed. Generally good agreement was obtained between the predicted and measured results. The FEA model was then used to perform mechanism analysis on very slender circular CFST columns. Parametric studies were carried out and the ultimate strengths from tested results and design codes were compared and discussed. The reliability analysis method was used to calibrate the existing design formulas given in DBJ/T13-51-2010, ANSI/AISC 360-05 and Eurocode 4.",

keywords = "Concrete filled steel tube (CFST), Failure mode, Finite element analysis (FEA), Reliability analysis, Slender column, Thin-walled section, Ultimate strength",

author = "An, {Yu Feng} and Han, {Lin Hai} and Zhao, {Xiao Ling}",

note = "Funding Information: The research reported in the paper is part of Project supported by Tsinghua University Research Funds (No. 2011THZ03 ), the financial supports are highly appreciated. ",

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language = "English",

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journal = "Thin-Walled Structures",

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T1 - Behaviour and design calculations on very slender thin-walled CFST columns

AU - An, Yu Feng

AU - Han, Lin Hai

AU - Zhao, Xiao Ling

N1 - Funding Information: The research reported in the paper is part of Project supported by Tsinghua University Research Funds (No. 2011THZ03 ), the financial supports are highly appreciated.

PY - 2012/4

Y1 - 2012/4

N2 - This paper studies the behavior of very slender thin-walled concrete filled steel tubular (CFST) columns under axial compression. A finite element analysis (FEA) was developed to carry out the behavior of compressive columns. Initial out-of-straightness imperfection was discussed. Generally good agreement was obtained between the predicted and measured results. The FEA model was then used to perform mechanism analysis on very slender circular CFST columns. Parametric studies were carried out and the ultimate strengths from tested results and design codes were compared and discussed. The reliability analysis method was used to calibrate the existing design formulas given in DBJ/T13-51-2010, ANSI/AISC 360-05 and Eurocode 4.

AB - This paper studies the behavior of very slender thin-walled concrete filled steel tubular (CFST) columns under axial compression. A finite element analysis (FEA) was developed to carry out the behavior of compressive columns. Initial out-of-straightness imperfection was discussed. Generally good agreement was obtained between the predicted and measured results. The FEA model was then used to perform mechanism analysis on very slender circular CFST columns. Parametric studies were carried out and the ultimate strengths from tested results and design codes were compared and discussed. The reliability analysis method was used to calibrate the existing design formulas given in DBJ/T13-51-2010, ANSI/AISC 360-05 and Eurocode 4.

KW - Concrete filled steel tube (CFST)

KW - Failure mode

KW - Finite element analysis (FEA)

KW - Reliability analysis

KW - Slender column

KW - Thin-walled section

KW - Ultimate strength

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DO - 10.1016/j.tws.2012.01.011

M3 - Journal article

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SN - 0263-8231

VL - 53

SP - 161

EP - 175

JO - Thin-Walled Structures

JF - Thin-Walled Structures

ER -

Behaviour and design calculations on very slender thin-walled CFST columns

Abstract

Keywords

ASJC Scopus subject areas

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