Structural behaviour evolution of composite steel-concrete curved structure with uncertain creep and shrinkage effects

Wu, D; Gao, W; Feng, J; Luo, K

Structural behaviour evolution of composite steel-concrete curved structure with uncertain creep and shrinkage effects

Wu, D

Gao, W Feng, J Luo, K

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Publisher:: Elsevier BV
Publication Type:: Journal Article
Citation:: Composites Part B: Engineering, 2016, 86, pp. 261-272
Issue Date:: 2016-02-01

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Field	Value	Language
dc.contributor.author	Wu, D https://orcid.org/0000-0002-7284-5024
dc.contributor.author	Gao, W
dc.contributor.author	Feng, J
dc.contributor.author	Luo, K
dc.date.accessioned	2022-08-14T23:23:35Z
dc.date.available	2022-08-14T23:23:35Z
dc.date.issued	2016-02-01
dc.identifier.citation	Composites Part B: Engineering, 2016, 86, pp. 261-272
dc.identifier.issn	1359-8368
dc.identifier.uri	http://hdl.handle.net/10453/160154
dc.description.abstract	This paper presents a new computational scheme to robustly determine the structural behaviour (both serviceability and strength) of composite concrete-filled steel tubular (CFST) arch with consideration of uncertain creep and shrinkage effects. The focused uncertainties in this study originate from the intrinsic viscoelastic effects of concrete, which inevitably affect the structural performance of CFST arch through its service life. Due to the diverse variations and intricate nature of creep and shrinkage observed in engineering practices, it is advisable that the two mercurial parameters are modelled as uncertain-but-bounded variables. The effects of uncertain creep and shrinkage on the long-term structural behaviour are investigated such that the worst and best scenarios of structural responses at each specific loading time can be precisely calculated. The proposed computational method competently determines the bounded structural responses at any specific loading time such that, evolutions of structural behaviours of CFST arch can be quantitatively constructed for the purpose of safety assessment. Numbers of often encountered engineering examples are investigated to illustrate the capability, credibility and efficiency of the proposed approach.
dc.language	en
dc.publisher	Elsevier BV
dc.relation.ispartof	Composites Part B: Engineering
dc.relation.isbasedon	10.1016/j.compositesb.2015.10.004
dc.rights	info:eu-repo/semantics/closedAccess
dc.subject	09 Engineering
dc.subject.classification	Materials
dc.title	Structural behaviour evolution of composite steel-concrete curved structure with uncertain creep and shrinkage effects
dc.type	Journal Article
utslib.citation.volume	86
utslib.for	09 Engineering
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Civil and Environmental Engineering
utslib.copyright.status	closed_access	*
dc.date.updated	2022-08-14T23:23:34Z
pubs.publication-status	Published
pubs.volume	86

Abstract:

This paper presents a new computational scheme to robustly determine the structural behaviour (both serviceability and strength) of composite concrete-filled steel tubular (CFST) arch with consideration of uncertain creep and shrinkage effects. The focused uncertainties in this study originate from the intrinsic viscoelastic effects of concrete, which inevitably affect the structural performance of CFST arch through its service life. Due to the diverse variations and intricate nature of creep and shrinkage observed in engineering practices, it is advisable that the two mercurial parameters are modelled as uncertain-but-bounded variables. The effects of uncertain creep and shrinkage on the long-term structural behaviour are investigated such that the worst and best scenarios of structural responses at each specific loading time can be precisely calculated. The proposed computational method competently determines the bounded structural responses at any specific loading time such that, evolutions of structural behaviours of CFST arch can be quantitatively constructed for the purpose of safety assessment. Numbers of often encountered engineering examples are investigated to illustrate the capability, credibility and efficiency of the proposed approach.

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http://hdl.handle.net/10453/160154