Effects of temperature, relative humidity and outdoor environment on FRP-concrete bond

Kabir, MI; Shrestha, R; Samali, B

Effects of temperature, relative humidity and outdoor environment on FRP-concrete bond

Kabir, MI Shrestha, R

Samali, B

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Publication Type:: Conference Proceeding
Citation:: From Materials to Structures: Advancement Through Innovation - Proceedings of the 22nd Australasian Conference on the Mechanics of Structures and Materials, ACMSM 2012, 2013, pp. 299 - 304
Issue Date:: 2013-08-12

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Field	Value	Language
dc.contributor.author	Kabir, MI	en_US
dc.contributor.author	Shrestha, R https://orcid.org/0000-0001-6756-6525	en_US
dc.contributor.author	Samali, B https://orcid.org/0000-0002-3426-7745	en_US
dc.date.issued	2013-08-12	en_US
dc.identifier.citation	From Materials to Structures: Advancement Through Innovation - Proceedings of the 22nd Australasian Conference on the Mechanics of Structures and Materials, ACMSM 2012, 2013, pp. 299 - 304	en_US
dc.identifier.isbn	9780415633185	en_US
dc.identifier.uri	http://hdl.handle.net/10453/31555
dc.description.abstract	This paper presents the results of an experimental study undertaken to investigate the effects of temperature, relative humidity and exposure to outdoor environment on externally bonded FRP-concrete connection performance.Two types of FRP, namely, carbon and glass, were externally bonded to concrete prisms of 300mm length, 200mm width and 150mm height with two part epoxy impregnation resin and the specimens were exposed to three different environmental conditions for extended durations. The bond strengths of control (unexposed) and exposed specimens were investigated by single-lap-joint shear test (pull-out test). Results of exposed specimens were compared to those of control specimens in terms of bond strengths, strain profiles and failure modes. Based on the results to date, the most significant degradation of bond strength was observed in specimens exposed to outdoor environment. Distinct change in behaviour of FRP-concrete bond has been observed from strain profiles plotted at different levels of applied loads after being exposed to three different environmental conditions. © 2013 Taylor & Francis Group.	en_US
dc.relation.ispartof	From Materials to Structures: Advancement Through Innovation - Proceedings of the 22nd Australasian Conference on the Mechanics of Structures and Materials, ACMSM 2012	en_US
dc.title	Effects of temperature, relative humidity and outdoor environment on FRP-concrete bond	en_US
dc.type	Conference Proceeding
utslib.for	0905 Civil Engineering	en_US
dc.location.activity	Sydney, Australia
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
utslib.copyright.status	closed_access
pubs.publication-status	Published	en_US

Abstract:

This paper presents the results of an experimental study undertaken to investigate the effects of temperature, relative humidity and exposure to outdoor environment on externally bonded FRP-concrete connection performance.Two types of FRP, namely, carbon and glass, were externally bonded to concrete prisms of 300mm length, 200mm width and 150mm height with two part epoxy impregnation resin and the specimens were exposed to three different environmental conditions for extended durations. The bond strengths of control (unexposed) and exposed specimens were investigated by single-lap-joint shear test (pull-out test). Results of exposed specimens were compared to those of control specimens in terms of bond strengths, strain profiles and failure modes. Based on the results to date, the most significant degradation of bond strength was observed in specimens exposed to outdoor environment. Distinct change in behaviour of FRP-concrete bond has been observed from strain profiles plotted at different levels of applied loads after being exposed to three different environmental conditions. © 2013 Taylor & Francis Group.

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http://hdl.handle.net/10453/31555