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Computers and Concrete Volume 26, Number 6, December 2020 , pages 577-585 DOI: https://doi.org/10.12989/cac.2020.26.6.577 |
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Performance investigation of palm kernel shell ash in high strength concrete production |
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Mohammad A. Mosaberpanah, Y.H. Mugahed Amran and Abdulrahman Akoush
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| Abstract | ||
| By the increasing amount of waste materials, it eventually dumped into the environment and covering a larger area of the landfill which cause several environmental pollution problems. The utilization of Palm Kernal Shell Ash (PKSA) in concrete might bring a great benefit in addressing both environmental and economic issues. This article investigates the effect of PKSA as a partial cement replacement of High Strength Concrete (HSC). Several concrete mixtures were prepared with different PKSA of 0%, 10%, 20%, and 30% replaced by the cement mass. This procedure was replicated twice for the two different target mean strengths of 40 MPa and 50 MPa. The mixtures were prepared to test different fresh and hardened properties of HSC including slump test, the compressive strength of 3, 7, 14, 28, and 90 days, flexural strength of 28-days, drying shrinkage, density measurement, and sorptivity. It was observed 10% PKSA replacement as optimum percentage which reduced the drying shrinkage, sorptivity, and density and improved the late-age compressive strength of concrete. | ||
| Key Words | ||
| palm kernel shell ash; high strength concrete; cement replacement; waste agriculture materials | ||
| Address | ||
| Mohammad A. Mosaberpanah: Department of Civil Engineering, Cyprus International University (CIU), Nicosia, North Cyprus, Turkey Y.H. Mugahed Amran: Department of Civil Engineering, College of Engineering, Prince Sattam Bin Abdulaziz University, 11942 Alkharj, Saudi Arabia; Department of Civil Engineering, Faculty of Engineering and IT, Amran University, 9677 Quhal, Amran Province, Yemen Abdulrahman Akoush: Department of Civil Engineering, Cyprus International University (CIU), Nicosia, North Cyprus, Turkey | ||