Pervious Concrete Made with Recycled Coarse Aggregate and Reinforced with Date Palm Leaves Fibers
This study considers 12 pervious concrete mixes incorporating 100% recycled coarse aggregate from old concrete demolition waste and containing various amounts of natural fine aggregate and date palm leaves fibers. First, the properties of the recycled aggregate in terms of their particle size distri...
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| Format: | Article |
| Language: | English |
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MDPI AG
2023-12-01
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| Series: | Materials |
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| Online Access: | https://www.mdpi.com/1996-1944/16/23/7496 |
| _version_ | 1797399838117068800 |
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| author | Adil Tamimi Sami W. Tabsh Magdi El-Emam |
| author_facet | Adil Tamimi Sami W. Tabsh Magdi El-Emam |
| author_sort | Adil Tamimi |
| collection | DOAJ |
| description | This study considers 12 pervious concrete mixes incorporating 100% recycled coarse aggregate from old concrete demolition waste and containing various amounts of natural fine aggregate and date palm leaves fibers. First, the properties of the recycled aggregate in terms of their particle size distribution, abrasion resistance, crushing values, specific gravity and water absorption are obtained. Next, the pervious concrete density, compressive strength, tensile strength, permeability and porosity are determined by experimental testing following the relevant standards. The results are analyzed and compared to determine the influence of using recycled coarse aggregate in the mixtures and the impact of the amount of natural sand and volume fraction of the fibers on the mechanical properties, permeability and porosity of the concrete. Findings of the study showed that the use of recycled coarse aggregate in pervious concrete without fine aggregate reduced the compressive strength by 36% and tensile strength by 57%. Replacing 11.7% of the recycled coarse aggregate with natural sand and adding date palm leaves fibers in an amount equivalent to 0.64% volumetric content to such concrete helped increase the compressive strength by 16.2% and tensile strength by 3.2% above the corresponding strengths of the control mix. There is a clear relationship between permeability and porosity due to their correlation with the density of pervious concrete, and the effect of porosity on tensile strength is more influential than it is on the compressive strength. An equation that can predict the tensile strength of pervious concrete from the compressive strength is proposed, as a function of the natural fine aggregate fraction of the coarse aggregate and volumetric content of natural fibers. Results of the research confirm the feasibility of using recycled aggregate in pervious concrete mixes and the positive impact of natural fibers on the mechanical properties. |
| first_indexed | 2024-03-09T01:46:52Z |
| format | Article |
| id | doaj.art-56e75efa953b4f9b85d2d3a74e00056c |
| institution | Directory Open Access Journal |
| issn | 1996-1944 |
| language | English |
| last_indexed | 2024-03-09T01:46:52Z |
| publishDate | 2023-12-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Materials |
| spelling | doaj.art-56e75efa953b4f9b85d2d3a74e00056c2023-12-08T15:21:29ZengMDPI AGMaterials1996-19442023-12-011623749610.3390/ma16237496Pervious Concrete Made with Recycled Coarse Aggregate and Reinforced with Date Palm Leaves FibersAdil Tamimi0Sami W. Tabsh1Magdi El-Emam2Department of Civil Engineering, College of Engineering, The American University of Sharjah, Sharjah P.O. Box 26666, United Arab EmiratesDepartment of Civil Engineering, College of Engineering, The American University of Sharjah, Sharjah P.O. Box 26666, United Arab EmiratesDepartment of Civil Engineering, College of Engineering, The American University of Sharjah, Sharjah P.O. Box 26666, United Arab EmiratesThis study considers 12 pervious concrete mixes incorporating 100% recycled coarse aggregate from old concrete demolition waste and containing various amounts of natural fine aggregate and date palm leaves fibers. First, the properties of the recycled aggregate in terms of their particle size distribution, abrasion resistance, crushing values, specific gravity and water absorption are obtained. Next, the pervious concrete density, compressive strength, tensile strength, permeability and porosity are determined by experimental testing following the relevant standards. The results are analyzed and compared to determine the influence of using recycled coarse aggregate in the mixtures and the impact of the amount of natural sand and volume fraction of the fibers on the mechanical properties, permeability and porosity of the concrete. Findings of the study showed that the use of recycled coarse aggregate in pervious concrete without fine aggregate reduced the compressive strength by 36% and tensile strength by 57%. Replacing 11.7% of the recycled coarse aggregate with natural sand and adding date palm leaves fibers in an amount equivalent to 0.64% volumetric content to such concrete helped increase the compressive strength by 16.2% and tensile strength by 3.2% above the corresponding strengths of the control mix. There is a clear relationship between permeability and porosity due to their correlation with the density of pervious concrete, and the effect of porosity on tensile strength is more influential than it is on the compressive strength. An equation that can predict the tensile strength of pervious concrete from the compressive strength is proposed, as a function of the natural fine aggregate fraction of the coarse aggregate and volumetric content of natural fibers. Results of the research confirm the feasibility of using recycled aggregate in pervious concrete mixes and the positive impact of natural fibers on the mechanical properties.https://www.mdpi.com/1996-1944/16/23/7496pervious concretepermeabilityporositystrengthsustainabilityrecycled concrete aggregate |
| spellingShingle | Adil Tamimi Sami W. Tabsh Magdi El-Emam Pervious Concrete Made with Recycled Coarse Aggregate and Reinforced with Date Palm Leaves Fibers Materials pervious concrete permeability porosity strength sustainability recycled concrete aggregate |
| title | Pervious Concrete Made with Recycled Coarse Aggregate and Reinforced with Date Palm Leaves Fibers |
| title_full | Pervious Concrete Made with Recycled Coarse Aggregate and Reinforced with Date Palm Leaves Fibers |
| title_fullStr | Pervious Concrete Made with Recycled Coarse Aggregate and Reinforced with Date Palm Leaves Fibers |
| title_full_unstemmed | Pervious Concrete Made with Recycled Coarse Aggregate and Reinforced with Date Palm Leaves Fibers |
| title_short | Pervious Concrete Made with Recycled Coarse Aggregate and Reinforced with Date Palm Leaves Fibers |
| title_sort | pervious concrete made with recycled coarse aggregate and reinforced with date palm leaves fibers |
| topic | pervious concrete permeability porosity strength sustainability recycled concrete aggregate |
| url | https://www.mdpi.com/1996-1944/16/23/7496 |
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