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Bond-slip response of deformed bars in rubberised concrete

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Title: Bond-slip response of deformed bars in rubberised concrete
Authors: Bompa, DV
Elghazouli, AY
Item Type: Journal Article
Abstract: This paper is concerned with examining the complete bond-slip behaviour between deformed reinforcement bars and concrete incorporating rubber particles from recycled tyres as a partial replacement for mineral aggregates. An experimental study consisting of fifty-four pull-out tests on cylindrical rubberised and normal concrete specimens, in conjunction with two reinforcement sizes with short embedment lengths, is described. In addition to a detailed assessment of the full bond-slip relationship, the test results offer a direct interpretation of bond behaviour under practical levels of confinement and its influence on the failure modes. Particular emphasis is given to the characteristic bond behaviour of rubberised concrete in terms of maximum bond strength and splitting strength as well bond stiffness and slip parameters. The detailed test measurements and observations provided in this study enable the definition of key bond parameters depicting the interfacial behaviour between rubberised concrete and deformed bars. The findings also permit the development of modified approaches for reliable representation of the failure modes and bond capacities for the concrete materials considered in this investigation.
Issue Date: 10-Aug-2017
Date of Acceptance: 4-Aug-2017
URI: http://hdl.handle.net/10044/1/53489
DOI: https://dx.doi.org/10.1016/j.conbuildmat.2017.08.016
ISSN: 0950-0618
Publisher: Elsevier
Start Page: 884
End Page: 898
Journal / Book Title: Construction and Building Materials
Volume: 154
Copyright Statement: © 2017, Elsevier. Licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/
Keywords: Science & Technology
Technology
Construction & Building Technology
Engineering, Civil
Materials Science, Multidisciplinary
Engineering
Materials Science
Bond-slip
Bond strength
Rubberised concrete
Recycled rubber
Deformed bars
REINFORCING BARS
CRUMB RUBBER
STRENGTH
BEHAVIOR
GEOMETRY
COVER
0905 Civil Engineering
1202 Building
Building & Construction
Notes: publisher: Elsevier articletitle: Bond-slip response of deformed bars in rubberised concrete journaltitle: Construction and Building Materials articlelink: http://dx.doi.org/10.1016/j.conbuildmat.2017.08.016 content_type: article copyright: © 2017 Elsevier Ltd. All rights reserved.
Publication Status: Published
Appears in Collections:Faculty of Engineering
Civil and Environmental Engineering



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