Freeze-thaw resistance of steel fibre reinforced rubberised concrete

Abdulaziz Alsaif; Susan A. Bernal; Maurizio Guadagnini; Kypros Pilakoutas

doi:10.1016/j.conbuildmat.2018.11.103

Freeze-thaw resistance of steel fibre reinforced rubberised concrete

Abdulaziz Alsaif, Susan A. Bernal, Maurizio Guadagnini, Kypros Pilakoutas

Department of Architecture & Civil Engineering

Research output: Contribution to journal › Article › peer-review

76 Citations (SciVal)

Abstract

This study evaluates the freeze-thaw performance of steel fibre reinforced rubberised concretes (SFRRuC) engineered for flexible concrete pavements. The effect of large volumes of fine and coarse rubber particles (i.e. 30% and 60% volumetric replacement of natural aggregates) is determined for concretes reinforced with 40 kg/m³ of a blend of manufactured steel fibres and recycled tyre steel fibres. The freeze-thaw performance is assessed through surface scaling, internal damage, residual compressive strength and flexural behaviour. The results show that SFRRuC are able to withstand 56 freeze-thaw cycles with acceptable scaling and without presenting internal damage or degradation in mechanical performance. This indicates that SFRRuC can perform well under extreme freeze-thaw conditions and can be used to construct long-lasting flexible pavements as a sustainable alternative to asphalt concretes.

Original language	English
Pages (from-to)	450-458
Number of pages	9
Journal	Construction and Building Materials
Volume	195
Early online date	19 Nov 2018
DOIs	https://doi.org/10.1016/j.conbuildmat.2018.11.103
Publication status	Published - 20 Jan 2019

Keywords

Flexible pavements
Freeze-thaw
Frost resistance
Rubberised concrete
Steel fibre concrete

ASJC Scopus subject areas

Civil and Structural Engineering
Building and Construction
General Materials Science

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10.1016/j.conbuildmat.2018.11.103

Cite this

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title = "Freeze-thaw resistance of steel fibre reinforced rubberised concrete",

abstract = "This study evaluates the freeze-thaw performance of steel fibre reinforced rubberised concretes (SFRRuC) engineered for flexible concrete pavements. The effect of large volumes of fine and coarse rubber particles (i.e. 30% and 60% volumetric replacement of natural aggregates) is determined for concretes reinforced with 40 kg/m3 of a blend of manufactured steel fibres and recycled tyre steel fibres. The freeze-thaw performance is assessed through surface scaling, internal damage, residual compressive strength and flexural behaviour. The results show that SFRRuC are able to withstand 56 freeze-thaw cycles with acceptable scaling and without presenting internal damage or degradation in mechanical performance. This indicates that SFRRuC can perform well under extreme freeze-thaw conditions and can be used to construct long-lasting flexible pavements as a sustainable alternative to asphalt concretes.",

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AU - Alsaif, Abdulaziz

AU - Bernal, Susan A.

AU - Guadagnini, Maurizio

AU - Pilakoutas, Kypros

PY - 2019/1/20

Y1 - 2019/1/20

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AB - This study evaluates the freeze-thaw performance of steel fibre reinforced rubberised concretes (SFRRuC) engineered for flexible concrete pavements. The effect of large volumes of fine and coarse rubber particles (i.e. 30% and 60% volumetric replacement of natural aggregates) is determined for concretes reinforced with 40 kg/m3 of a blend of manufactured steel fibres and recycled tyre steel fibres. The freeze-thaw performance is assessed through surface scaling, internal damage, residual compressive strength and flexural behaviour. The results show that SFRRuC are able to withstand 56 freeze-thaw cycles with acceptable scaling and without presenting internal damage or degradation in mechanical performance. This indicates that SFRRuC can perform well under extreme freeze-thaw conditions and can be used to construct long-lasting flexible pavements as a sustainable alternative to asphalt concretes.

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Freeze-thaw resistance of steel fibre reinforced rubberised concrete

Abstract

Keywords

ASJC Scopus subject areas

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