Behaviour of rubberised concrete members in asymmetric shear tests

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Title: Behaviour of rubberised concrete members in asymmetric shear tests
Authors: Xu, B
Bompa, DV
Elghazouli, AY
Ruiz-Teran, AM
Stafford, PJ
Item Type: Journal Article
Abstract: This paper deals with the experimental behaviour of rubberised concrete members subjected to asymmetric four-point shear loading. A detailed account of tests on 15 prismatic members using conventional concrete as well as rubberised concrete, with relatively high replacement ratios of both fine and coarse mineral aggregates with rubber particles, is given. The results enable direct assessment of strength and complete deformation characteristics including the post-peak response for ultimate behaviour governed both by shear and mixed-mode tensile-shear. After describing the material properties, mix designs and member details, the main observations from detailed measurements of the crack kinematics through a digital image correlation monitoring system, with focus on members developing shear-governed response, are reported. Complementary numerical studies are undertaken using nonlinear finite element procedures which are validated against tests developing shear-governed failures. In order to provide further insight into the key response characteristics, particularly those related to ultimate strength, a number of numerical sensitivity studies employing various constitutive parameters are also carried out. Moreover, comparative assessments in terms of shear resistance, toughness and force transfer across the cracked interfaces are performed and discussed. The detailed test measurements, coupled with the results obtained from the numerical simulations, permit the definition of expressions for representing the shear resistance as a function of the rubber content and concrete compressive strength.
Issue Date: 6-Nov-2017
Date of Acceptance: 20-Oct-2017
ISSN: 0950-0618
Publisher: Elsevier
Start Page: 361
End Page: 375
Journal / Book Title: Construction and Building Materials
Volume: 159
Copyright Statement: © 2017 Elsevier Ltd. All rights reserved. This manuscript is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
Sponsor/Funder: Commission of the European Communities
Funder's Grant Number: 603722
Keywords: 0905 Civil Engineering
1202 Building
Building & Construction
Notes: publisher: Elsevier articletitle: Behaviour of rubberised concrete members in asymmetric shear tests journaltitle: Construction and Building Materials articlelink: 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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