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Stress-strain characteristic of SFRC using recycled fibres

Tlemat, H., Pilakoutas, K. and Neocleous, K. (2006) Stress-strain characteristic of SFRC using recycled fibres. Materials and Structures/Materiaux et Constructions, 39 (3). pp. 365-377. ISSN 1359-5997


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This paper presents work from a comprehensive study on the development of a flexural design framework for concrete reinforced with steel fibres that are recovered from used tyres. The experimental flexural behaviour of notched concrete prisms reinforced with these fibres is initially presented. For comparison purposes, prisms reinforced with industrially produced fibres are also considered. An attempt to adopt an existing RILEM design framework to derive appropriate tensile stress-strain blocks is made, but problems are identified with key parameters of the framework. The influence of crack propagation and location of neutral axis depth on the tensile stress distribution is examined. Following an analytical study, it is concluded that the uniaxial stress-strain model, proposed by RILEM overestimates the load-carrying capacity and should be modified by utilising more advanced analytical techniques. © RILEM 2006.

Item Type: Article
Copyright, Publisher and Additional Information: © 2006 Springer. This is an author produced version of a paper subsequently published in Materials and Structures. Uploaded in accordance with the publisher's self-archiving policy.
Keywords: Bending strength; Crack propagation; Fiber reinforced materials; Load limits; Mathematical models; Steel; Tensile stress; Tensile testing, Concrete prism; Steel fibre; Stress-strain block; Tensile stress distribution, Reinforced concrete
Institution: The University of Sheffield
Academic Units: The University of Sheffield > University of Sheffield Research Centres and Institutes > Centre for Cement and Concrete (Sheffield)
The University of Sheffield > Faculty of Engineering (Sheffield) > Department of Civil and Structural Engineering (Sheffield)
Depositing User: Prof Kypros Pilakoutas
Date Deposited: 31 Jan 2011 15:56
Last Modified: 08 Feb 2013 17:30
Published Version: http://dx.doi.org/10.1007/s11527-005-9009-4
Status: Published
Publisher: Springer Verlag
Refereed: Yes
URI: http://eprints.whiterose.ac.uk/id/eprint/42808

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