Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Performance of high strength concrete containing recycled rubber
https://orcid.org/0000-0003-4805-721X
Highlights Waste rubber was used in high strength concrete as an alternative to aggregates. The hardened properties and impact resistance are discussed. The compressive and tensile strength decreases with increasing rubber content. Waste rubber increases the impact resistance of rubberized concrete. The mix with 30% rubber content can be used in bridges and harbors.
Abstract Recycling and Utilizing waste rubber as a replacement of natural aggregate in concrete is a promising environmentally friendly solution. The objective of this study is to evaluate the performance of high strength concrete where the recycled rubber partially replace the fine aggregate. Four different mixes were produced in which crumb rubber partially replaced fine aggregate by 0%, 10%, 20%, and 30% of volume. Slump, compressive strength, tensile strength, flexural strength, density, abrasion resistance, seawater effect on rubberized concrete, impact resistance, and microstructural analysis were evaluated. The rubberized concrete mixes showed good workability and slightly lower density than the control mix. A systematic reduction of almost up to 50% in compressive, tensile, and flexural strength was witnessed with increasing the rubber content up to 30%. Lower abrasion resistance was obtained with increasing the rubber content. The rubberized concrete mixes displayed good behavior in seawater. The rubberized concrete mixes also showed up to 83% higher impact resistance compared to the control mix. The findings of this study give an overview of the effect of addition of recycled rubber on concrete of high strength.
Performance of high strength concrete containing recycled rubber
https://orcid.org/0000-0003-4805-721X
Highlights Waste rubber was used in high strength concrete as an alternative to aggregates. The hardened properties and impact resistance are discussed. The compressive and tensile strength decreases with increasing rubber content. Waste rubber increases the impact resistance of rubberized concrete. The mix with 30% rubber content can be used in bridges and harbors.
Abstract Recycling and Utilizing waste rubber as a replacement of natural aggregate in concrete is a promising environmentally friendly solution. The objective of this study is to evaluate the performance of high strength concrete where the recycled rubber partially replace the fine aggregate. Four different mixes were produced in which crumb rubber partially replaced fine aggregate by 0%, 10%, 20%, and 30% of volume. Slump, compressive strength, tensile strength, flexural strength, density, abrasion resistance, seawater effect on rubberized concrete, impact resistance, and microstructural analysis were evaluated. The rubberized concrete mixes showed good workability and slightly lower density than the control mix. A systematic reduction of almost up to 50% in compressive, tensile, and flexural strength was witnessed with increasing the rubber content up to 30%. Lower abrasion resistance was obtained with increasing the rubber content. The rubberized concrete mixes displayed good behavior in seawater. The rubberized concrete mixes also showed up to 83% higher impact resistance compared to the control mix. The findings of this study give an overview of the effect of addition of recycled rubber on concrete of high strength.
Performance of high strength concrete containing recycled rubber
https://orcid.org/0000-0003-4805-721X
Highlights Waste rubber was used in high strength concrete as an alternative to aggregates. The hardened properties and impact resistance are discussed. The compressive and tensile strength decreases with increasing rubber content. Waste rubber increases the impact resistance of rubberized concrete. The mix with 30% rubber content can be used in bridges and harbors.
Abstract Recycling and Utilizing waste rubber as a replacement of natural aggregate in concrete is a promising environmentally friendly solution. The objective of this study is to evaluate the performance of high strength concrete where the recycled rubber partially replace the fine aggregate. Four different mixes were produced in which crumb rubber partially replaced fine aggregate by 0%, 10%, 20%, and 30% of volume. Slump, compressive strength, tensile strength, flexural strength, density, abrasion resistance, seawater effect on rubberized concrete, impact resistance, and microstructural analysis were evaluated. The rubberized concrete mixes showed good workability and slightly lower density than the control mix. A systematic reduction of almost up to 50% in compressive, tensile, and flexural strength was witnessed with increasing the rubber content up to 30%. Lower abrasion resistance was obtained with increasing the rubber content. The rubberized concrete mixes displayed good behavior in seawater. The rubberized concrete mixes also showed up to 83% higher impact resistance compared to the control mix. The findings of this study give an overview of the effect of addition of recycled rubber on concrete of high strength.
Performance of high strength concrete containing recycled rubber
Abdelmonem, Ayman (Autor:in) / El-Feky, M.S. (Autor:in) / Nasr, El-Sayed A.R. (Autor:in) / Kohail, Mohamed (Autor:in)
05.08.2019
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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