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Evaluation of Mechanical Properties of Polyurethane-Based Polymer Rubber Concrete Modified Ground Glass Fiber Using Response Surface Methodology

Evaluation of Mechanical Properties of Polyurethane-Based Polymer Rubber Concrete Modified Ground... In this study, sustainable polyurethane-based polymer rubber concrete (PU-based PRC) was prepared using crumb rubber (CR) and ground glass fiber (GGF) particles for road pavement and runway repair. Moreover, tensile characteristics and failure mode of rigid GGF/PU grout materials were investigated. Response surface methodology/central composite design tool was employed to analyze the responses’ compressive strength, flexural and relative density. CR and GGF particles were used as input variables. The result indicates that the combined effect of CR and GGF particles improved the mechanical properties of PU-based PRC specimens, and a reduction in mechanical properties was observed in samples blended with high CR content as only admixture material. On the other hand, the tensile characteristic of GGF/PUgrout material decreases with an increase in GGF content. The developed models have successfully predicted the mechanical behavior and relative density of PU-based PRC using CR and GGF particles as the independent variable with high accuracy. The optimized PU-based PRC mix could be achieved by partially replacing 13.47%CR and the addition of 3%GGF. Moreover, scanning electron microscopy revealed that the reinforcing mechanism of GGF particles had bridged the cracks and voids. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Arabian Journal for Science and Engineering Springer Journals

Evaluation of Mechanical Properties of Polyurethane-Based Polymer Rubber Concrete Modified Ground Glass Fiber Using Response Surface Methodology

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References (48)

Publisher
Springer Journals
Copyright
Copyright © King Fahd University of Petroleum & Minerals 2022. Springer Nature or its licensor holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.
ISSN
2193-567X
eISSN
2191-4281
DOI
10.1007/s13369-022-07112-w
Publisher site
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Abstract

In this study, sustainable polyurethane-based polymer rubber concrete (PU-based PRC) was prepared using crumb rubber (CR) and ground glass fiber (GGF) particles for road pavement and runway repair. Moreover, tensile characteristics and failure mode of rigid GGF/PU grout materials were investigated. Response surface methodology/central composite design tool was employed to analyze the responses’ compressive strength, flexural and relative density. CR and GGF particles were used as input variables. The result indicates that the combined effect of CR and GGF particles improved the mechanical properties of PU-based PRC specimens, and a reduction in mechanical properties was observed in samples blended with high CR content as only admixture material. On the other hand, the tensile characteristic of GGF/PUgrout material decreases with an increase in GGF content. The developed models have successfully predicted the mechanical behavior and relative density of PU-based PRC using CR and GGF particles as the independent variable with high accuracy. The optimized PU-based PRC mix could be achieved by partially replacing 13.47%CR and the addition of 3%GGF. Moreover, scanning electron microscopy revealed that the reinforcing mechanism of GGF particles had bridged the cracks and voids.

Journal

Arabian Journal for Science and Engineering – Springer Journals

Published: Apr 1, 2023

Keywords: Polyurethane composites; Response surface methodology; Microstructure; Ground glass fiber; Crumb rubber

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