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    Rights statement: This is the author’s version of a work that was accepted for publication in Journal of Constructional Steel Research. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Journal of Constructional Steel Research, 148, 2018 DOI: 10.1016/j.jcsr.2018.05.026

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A unified interaction equation for strength and global stability of solid and hollow concrete-filled steel tube columns under room and elevated temperatures

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A unified interaction equation for strength and global stability of solid and hollow concrete-filled steel tube columns under room and elevated temperatures. / Yu, Min; Xu, Haoming; Ye, Jianqiao et al.
In: Journal of Constructional Steel Research, Vol. 148, 01.09.2018, p. 304-313.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

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Yu M, Xu H, Ye J, Chi Y. A unified interaction equation for strength and global stability of solid and hollow concrete-filled steel tube columns under room and elevated temperatures. Journal of Constructional Steel Research. 2018 Sept 1;148:304-313. Epub 2018 Jun 15. doi: 10.1016/j.jcsr.2018.05.026

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Bibtex

@article{c72776dfe46847d299fee45898e09ae5,
title = "A unified interaction equation for strength and global stability of solid and hollow concrete-filled steel tube columns under room and elevated temperatures",
abstract = "On the basis of plastic limit analysis, this paper proposes a novel, simple and unified interaction equation (N-M) for Concrete-filled Steel Tube (CFST) columns subjected to combined compression and bending. A unique feature of the new N-M equation is that the single equation is valid for a range of columns that can be solid, hollow, circular, polygonal, short or long. The single equation can also apply to columns under both room and elevated temperatures. Validations against independent laboratory test, analytical and numerical results are carried out to assess the accuracy and applicability of the equation. The new equation agrees well with most of the results used in the comparisons. It can be concluded that the simple and unified equation can be used in practical design with sufficient accuracy.",
keywords = "Average temperature, Combined load, Concrete-filled steel tube (CFST), Fire resistance, Unified interaction formula",
author = "Min Yu and Haoming Xu and Jianqiao Ye and Yin Chi",
note = "This is the author{\textquoteright}s version of a work that was accepted for publication in Journal of Constructional Steel Research. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Journal of Constructional Steel Research, 148, 2018 DOI: 10.1016/j.jcsr.2018.05.026",
year = "2018",
month = sep,
day = "1",
doi = "10.1016/j.jcsr.2018.05.026",
language = "English",
volume = "148",
pages = "304--313",
journal = "Journal of Constructional Steel Research",
issn = "0143-974X",
publisher = "Elsevier Ltd",

}

RIS

TY - JOUR

T1 - A unified interaction equation for strength and global stability of solid and hollow concrete-filled steel tube columns under room and elevated temperatures

AU - Yu, Min

AU - Xu, Haoming

AU - Ye, Jianqiao

AU - Chi, Yin

N1 - This is the author’s version of a work that was accepted for publication in Journal of Constructional Steel Research. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Journal of Constructional Steel Research, 148, 2018 DOI: 10.1016/j.jcsr.2018.05.026

PY - 2018/9/1

Y1 - 2018/9/1

N2 - On the basis of plastic limit analysis, this paper proposes a novel, simple and unified interaction equation (N-M) for Concrete-filled Steel Tube (CFST) columns subjected to combined compression and bending. A unique feature of the new N-M equation is that the single equation is valid for a range of columns that can be solid, hollow, circular, polygonal, short or long. The single equation can also apply to columns under both room and elevated temperatures. Validations against independent laboratory test, analytical and numerical results are carried out to assess the accuracy and applicability of the equation. The new equation agrees well with most of the results used in the comparisons. It can be concluded that the simple and unified equation can be used in practical design with sufficient accuracy.

AB - On the basis of plastic limit analysis, this paper proposes a novel, simple and unified interaction equation (N-M) for Concrete-filled Steel Tube (CFST) columns subjected to combined compression and bending. A unique feature of the new N-M equation is that the single equation is valid for a range of columns that can be solid, hollow, circular, polygonal, short or long. The single equation can also apply to columns under both room and elevated temperatures. Validations against independent laboratory test, analytical and numerical results are carried out to assess the accuracy and applicability of the equation. The new equation agrees well with most of the results used in the comparisons. It can be concluded that the simple and unified equation can be used in practical design with sufficient accuracy.

KW - Average temperature

KW - Combined load

KW - Concrete-filled steel tube (CFST)

KW - Fire resistance

KW - Unified interaction formula

U2 - 10.1016/j.jcsr.2018.05.026

DO - 10.1016/j.jcsr.2018.05.026

M3 - Journal article

AN - SCOPUS:85048187537

VL - 148

SP - 304

EP - 313

JO - Journal of Constructional Steel Research

JF - Journal of Constructional Steel Research

SN - 0143-974X

ER -