Time-Dependent Response of Spatially-Curved Steel-Concrete Composite Members: 1. Computational modelling

Liu, X; Bradford, M; Erkmen, E

Time-Dependent Response of Spatially-Curved Steel-Concrete Composite Members: 1. Computational modelling

Liu, X Bradford, M Erkmen, E

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Publisher:: American Society of Civil Engineers
Publication Type:: Journal Article
Citation:: Liu, Xinpei, Bradford, Mark, and Erkmen, Recep 2013, 'Time-Dependent Response of Spatially-Curved Steel-Concrete Composite Members: 1. Computational modelling', Journal of Structural Engineering, vol. 139, no. 12, pp. 04013004-1-04013004-11.
Issue Date:: 2013

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Field	Value	Language
dc.contributor.author	Liu, X	en_US
dc.contributor.author	Bradford, M	en_US
dc.contributor.author	Erkmen, E	en_US
dc.date.accessioned	2014-04-14T02:54:04Z
dc.date.available	2014-04-14T02:54:04Z
dc.date.issued	2013	en_US
dc.identifier	2013001484	en_US
dc.identifier.citation	Liu, Xinpei, Bradford, Mark, and Erkmen, Recep 2013, 'Time-Dependent Response of Spatially-Curved Steel-Concrete Composite Members: 1. Computational modelling', Journal of Structural Engineering, vol. 139, no. 12, pp. 04013004-1-04013004-11.	en_US
dc.identifier.issn	0733-9445	en_US
dc.identifier.other	C1	en_US
dc.identifier.uri	http://hdl.handle.net/10453/27226
dc.description.abstract	This paper develops a numerical formulation for the nonlinear time-dependent analysis of steel-concrete composite members that are curved arbitrarily in space, which includes the effects of concrete shrinkage, creep, and geometric nonlinearity. This formulation is applicable to the analysis of composite arches and composite beams curved in plan, representing the limiting cases of members that are vertically and horizontally curved. The flexibility of the shear connection at the interface surface between the steel girder and the concrete deck is taken into consideration in the formulation. For an accurate serviceability limit state analysis of composite curved members, it is essential to include the shrinkage and creep response of the concrete component in the analysis. To also include the effects of geometric nonlinearity, a step-by-step incremental iterative solution procedure is adopted. Comparisons of the numerical solutions with those based on much less efficient and tractable viscoelastic ABAQUS shell element models, and with available experimental results, verify the accuracy of the computational formulation that is developed. Examples are chosen to illustrate the effects of partial interaction and initial curvature on the time-dependent behavior of spatially curved composite beams.	en_US
dc.publisher	American Society of Civil Engineers	en_US
dc.relation.ispartof	Verified OK	en_US
dc.relation.ispartof	Journal of Structural Engineering	en_US
dc.relation.isbasedon	http://dx.doi.org/10.1061/(ASCE)ST.1943-541X.0000698	en_US
dc.subject	Composite members, Curved in space, Geometric nonlinearity, Creep, Shrinkage, Partial interaction, Metal and composite structures Read More: http://ascelibrary.org/doi/abs/10.1061/(ASCE)ST.1943-541X.0000698	en_US
dc.subject.classification	Civil Engineering	en_US
dc.title	Time-Dependent Response of Spatially-Curved Steel-Concrete Composite Members: 1. Computational modelling	en_US
dc.type	Journal article
utslib.citation.volume	139	en_US
utslib.citation.number	12	en_US
utslib.location	New York, USA	en_US
utslib.citation.startpage	04013004-1	en_US
utslib.citation.endpage	04013004-11	en_US
utslib.identifier.org	FEIT.School of Civil and Environmental Engineering	en_US
utslib.for	090500	en_US
utslib.percentage	100	en_US
utslib.copyright.status	closed_access

Abstract:

This paper develops a numerical formulation for the nonlinear time-dependent analysis of steel-concrete composite members that are curved arbitrarily in space, which includes the effects of concrete shrinkage, creep, and geometric nonlinearity. This formulation is applicable to the analysis of composite arches and composite beams curved in plan, representing the limiting cases of members that are vertically and horizontally curved. The flexibility of the shear connection at the interface surface between the steel girder and the concrete deck is taken into consideration in the formulation. For an accurate serviceability limit state analysis of composite curved members, it is essential to include the shrinkage and creep response of the concrete component in the analysis. To also include the effects of geometric nonlinearity, a step-by-step incremental iterative solution procedure is adopted. Comparisons of the numerical solutions with those based on much less efficient and tractable viscoelastic ABAQUS shell element models, and with available experimental results, verify the accuracy of the computational formulation that is developed. Examples are chosen to illustrate the effects of partial interaction and initial curvature on the time-dependent behavior of spatially curved composite beams.

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http://hdl.handle.net/10453/27226