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Performance of rubberised reinforced concrete members under cyclic loading

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Accepted-30March18-Elghazouli et al-RubbMembers-EngStrs.docxAccepted version11.7 MBMicrosoft WordView/Open
Title: Performance of rubberised reinforced concrete members under cyclic loading
Authors: Elghazouli, AY
Bompa, DV
Xu, B
Ruiz-Teran, AM
Stafford, PJ
Item Type: Journal Article
Abstract: This paper presents an experimental investigation into the cyclic behaviour of reinforced concrete members incorporating a significant proportion of recycled rubber particles as a replacement for mineral aggregates. Tests were carried out on thirteen large scale members of circular cross-section, with and without external confinement, and with different proportions of rubber content and axial loads. The specimens were subjected to inelastic lateral cyclic displacements and predefined levels of co-existing axial loading. After describing the testing arrangement and specimen details, the main results and observations are provided and discussed. The test results enable a direct comparative assessment of the key response characteristics of the specimens, with focus on stiffness properties and strength interaction, as well as ductility and energy dissipation. It is shown that rubberised reinforced concrete members can offer a good balance between bending capacity and ductility in comparison with conventional reinforced concrete members, particularly for low levels of axial loads. In the presence of relatively high axial loading and when a significant proportion of rubber content is used, external confinement such as through FRP sheets as employed in this study, can be adopted to recover the required capacity and to provide highly stable hysteretic response. The implications of the findings on the use of rubberised reinforced concrete members in practice, and procedures that can be used to determine the main design parameters, are also highlighted within the discussions.
Issue Date: 1-Jul-2018
Date of Acceptance: 30-Mar-2018
URI: http://hdl.handle.net/10044/1/58706
DOI: https://dx.doi.org/10.1016/j.engstruct.2018.03.090
ISSN: 0141-0296
Publisher: Elsevier
Start Page: 526
End Page: 545
Journal / Book Title: Engineering Structures
Volume: 166
Copyright Statement: © 2018 Elsevier Ltd. All rights reserved. This manuscript is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/
Sponsor/Funder: Commission of the European Communities
Funder's Grant Number: 603722
Keywords: 0905 Civil Engineering
Civil Engineering
Publication Status: Published
Online Publication Date: 2018-04-07
Appears in Collections:Faculty of Engineering
Civil and Environmental Engineering



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