Bond strength model for externally bonded FRP-to-timber interface

Vahedian, A; Shrestha, R; Crews, K

Bond strength model for externally bonded FRP-to-timber interface

Vahedian, A Shrestha, R

Crews, K

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Publication Type:: Journal Article
Citation:: Composite Structures, 2018, 200 pp. 328 - 339
Issue Date:: 2018-09-15

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Field	Value	Language
dc.contributor.author	Vahedian, A	en_US
dc.contributor.author	Shrestha, R https://orcid.org/0000-0001-6756-6525	en_US
dc.contributor.author	Crews, K https://orcid.org/0000-0003-1450-1423	en_US
dc.date.available	2020-09-16T19:04:39Z
dc.date.issued	2018-09-15	en_US
dc.identifier.citation	Composite Structures, 2018, 200 pp. 328 - 339	en_US
dc.identifier.issn	0263-8223	en_US
dc.identifier.uri	http://hdl.handle.net/10453/124807
dc.description.abstract	© 2018 Elsevier Ltd Despite the large number of studies on externally bonded elements using FRP composites, there is a significant knowledge gap to gain a comprehensive understanding of potential parameters such as bond width, bond length, material properties and geometries that influence bond strength. Behaviour of FRP bonded to concrete has been well investigated and there are a number of experimental and theoretical studies in this area; however, limited attempts have been made to investigate the bond behaviour of the FRP to timber interface. This paper reports an investigation on the behaviour of FRP externally bonded to timber. A novel theoretical model has been developed through stepwise regression analysis of 136 single shear FRP-to-timber joints. This has led to establishing a new predictive model for determination of the bond strength for FRP-to-timber joints. Results of this stepwise regression analysis are then assessed with results of experimental tests, and satisfactory comparisons have been achieved between ultimate applied loads and the predicted loads. Finally, a significant improvement in prediction of bond behaviour has been achieved when results of the proposed analytical model compared with the existing models from the literature, signifying the capability of the new models.	en_US
dc.relation.ispartof	Composite Structures	en_US
dc.relation.isbasedon	10.1016/j.compstruct.2018.05.152	en_US
dc.rights	info:eu-repo/semantics/openAccess
dc.subject.classification	Materials	en_US
dc.title	Bond strength model for externally bonded FRP-to-timber interface	en_US
dc.type	Journal Article
utslib.citation.volume	200	en_US
utslib.for	0912 Materials Engineering	en_US
utslib.for	09 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
pubs.organisational-group	/University of Technology Sydney/Strength - CBI - Centre for Built Infrastructure
pubs.organisational-group	/University of Technology Sydney/Students
utslib.copyright.status	open_access	*
pubs.publication-status	Published	en_US
pubs.volume	200	en_US

Abstract:

© 2018 Elsevier Ltd Despite the large number of studies on externally bonded elements using FRP composites, there is a significant knowledge gap to gain a comprehensive understanding of potential parameters such as bond width, bond length, material properties and geometries that influence bond strength. Behaviour of FRP bonded to concrete has been well investigated and there are a number of experimental and theoretical studies in this area; however, limited attempts have been made to investigate the bond behaviour of the FRP to timber interface. This paper reports an investigation on the behaviour of FRP externally bonded to timber. A novel theoretical model has been developed through stepwise regression analysis of 136 single shear FRP-to-timber joints. This has led to establishing a new predictive model for determination of the bond strength for FRP-to-timber joints. Results of this stepwise regression analysis are then assessed with results of experimental tests, and satisfactory comparisons have been achieved between ultimate applied loads and the predicted loads. Finally, a significant improvement in prediction of bond behaviour has been achieved when results of the proposed analytical model compared with the existing models from the literature, signifying the capability of the new models.

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http://hdl.handle.net/10453/124807