Al-musawi, H, Figueiredo, FP, Bernal, SA orcid.org/0000-0002-9647-3106 et al. (2 more authors) (2019) Performance of rapid hardening recycled clean steel fibre materials. Construction and Building Materials (195). pp. 483-496. ISSN 0950-0618
Abstract
To minimise disruption due to repairs of concrete pavements, rapid hardening and tough materials need to be used. This paper investigates the flexural performance of rapid hardening mortar mixes made with two commercial cement types, calcium sulfo-aluminate cement and calcium aluminate cement, for thin concrete repair applications. Three-point bending tests are performed on plain and steel fibre reinforced concrete specimens containing 45 kg/m3 of recycled clean steel fibres to characterise the flexural performance of notched and unnotched prisms at different ages, ranging from one hour up to one year. The recycled fibers are shown to enhance both the flexural strength and toughness of FRC prisms, leading to hardening behaviour. Constitutive equations based on the RILEM and Model Code 2010 recommendations are found to overestimate the loading capacity of the bending tests. FE analyses using multilinear σ – ɛ tensile curves obtained by employing inverse analysis can capture better the post cracking strength and cracking pattern of the tested prisms.
Metadata
Item Type: | Article |
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Authors/Creators: |
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Copyright, Publisher and Additional Information: | © 2018 Elsevier Ltd. This is an author produced version of a paper published in Construction and Building Materials. Uploaded in accordance with the publisher's self-archiving policy. |
Keywords: | SFRC, recycled clean steel fibres, rapid hardening cements, mechanical properties, FEA |
Dates: |
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Institution: | The University of Leeds |
Academic Units: | The University of Leeds > Faculty of Engineering & Physical Sciences (Leeds) > School of Civil Engineering (Leeds) |
Depositing User: | Symplectic Publications |
Date Deposited: | 22 Nov 2018 11:46 |
Last Modified: | 19 Nov 2019 01:39 |
Status: | Published |
Publisher: | Elsevier BV |
Identification Number: | 10.1016/j.conbuildmat.2018.11.026 |
Open Archives Initiative ID (OAI ID): | oai:eprints.whiterose.ac.uk:138911 |
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Filename: Al-musawi H. et al. Performance of rapid hardening SFRC materials-accepted.pdf
Licence: CC-BY-NC-ND 4.0