Dynamic behaviour of steel-concrete composite beams retrofitted with various bolted shear connectors

Henderson, IEJ; Zhu, XQ; Uy, B; Mirza, O

Dynamic behaviour of steel-concrete composite beams retrofitted with various bolted shear connectors

Henderson, IEJ Zhu, XQ

Uy, B Mirza, O

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Publication Type:: Journal Article
Citation:: Engineering Structures, 2017, 131 pp. 115 - 135
Issue Date:: 2017-01-15

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Field	Value	Language
dc.contributor.author	Henderson, IEJ	en_US
dc.contributor.author	Zhu, XQ https://orcid.org/0000-0001-5083-9320	en_US
dc.contributor.author	Uy, B	en_US
dc.contributor.author	Mirza, O	en_US
dc.date.issued	2017-01-15	en_US
dc.identifier.citation	Engineering Structures, 2017, 131 pp. 115 - 135	en_US
dc.identifier.issn	0141-0296	en_US
dc.identifier.uri	http://hdl.handle.net/10453/124271
dc.description.abstract	© 2016 Elsevier Ltd In structural engineering, composite construction has become increasingly widespread due to the improvement of mechanical properties it provides. Retrospective application of the composite construction principle to old structures may be beneficial. Many end of life structures are decommissioned and replaced. If the structural integrity of old structures could be improved their service life may be extended. Recently research on the development of post-installed or retrofitted shear connectors has been conducted. Most of the research in this area is concerned with modified versions of welded shear studs or various threaded rod and nut configurations, and refer to only one type of shear connector. Therefore, the suitability of the proposed models across differing shear connection types is unknown. An experimental study has been undertaken to ascertain the differences in dynamic behaviour of cast-in and retrofitted shear connectors using a series of identical steel-concrete composite beams with various shear connection systems. Two blind bolt connector types were used as shear connection systems in steel-concrete composite beams alongside a welded shear stud specimen in both cast-in and retrofitted configurations. A finite element model was then developed. The nature of changes in dynamic behaviour due to damage were investigated using the finite element model. It was found that at increased loading the behaviour of the cast-in and retrofitted connectors was fundamentally different due to the retrofitting procedure.	en_US
dc.relation.ispartof	Engineering Structures	en_US
dc.relation.isbasedon	10.1016/j.engstruct.2016.10.021	en_US
dc.subject.classification	Civil Engineering	en_US
dc.title	Dynamic behaviour of steel-concrete composite beams retrofitted with various bolted shear connectors	en_US
dc.type	Journal Article
utslib.citation.volume	131	en_US
utslib.for	0905 Civil Engineering	en_US
utslib.for	0912 Materials Engineering	en_US
utslib.for	0915 Interdisciplinary Engineering	en_US
pubs.embargo.period	Not known	en_US
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
pubs.publication-status	Published	en_US
pubs.volume	131	en_US

Abstract:

© 2016 Elsevier Ltd In structural engineering, composite construction has become increasingly widespread due to the improvement of mechanical properties it provides. Retrospective application of the composite construction principle to old structures may be beneficial. Many end of life structures are decommissioned and replaced. If the structural integrity of old structures could be improved their service life may be extended. Recently research on the development of post-installed or retrofitted shear connectors has been conducted. Most of the research in this area is concerned with modified versions of welded shear studs or various threaded rod and nut configurations, and refer to only one type of shear connector. Therefore, the suitability of the proposed models across differing shear connection types is unknown. An experimental study has been undertaken to ascertain the differences in dynamic behaviour of cast-in and retrofitted shear connectors using a series of identical steel-concrete composite beams with various shear connection systems. Two blind bolt connector types were used as shear connection systems in steel-concrete composite beams alongside a welded shear stud specimen in both cast-in and retrofitted configurations. A finite element model was then developed. The nature of changes in dynamic behaviour due to damage were investigated using the finite element model. It was found that at increased loading the behaviour of the cast-in and retrofitted connectors was fundamentally different due to the retrofitting procedure.

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http://hdl.handle.net/10453/124271