IIARD International Institute of Academic Research and Development

RESEARCH JOURNAL OF PURE SCIENCE AND TECHNOLOGY (RJPST )

E-ISSN 2579-0536
P-ISSN 2695-2696
VOL. 8 NO. 3 2025
DOI: 10.56201/rjpst.vol.8.no3.2025.pg1.7

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The Influence of Palm Oil Fuel Ash (POFA) on the Mechanical Properties of Portland Limestone Cement Concrete

P D I Ebienfa, BE Yabefa,

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Abstract

This experimental study involves the investigation of how the strength properties of Portland Limestone Cement concrete is influenced by the palm oil fuel ash. The characterization of the POFA was done in this study. The percentage replacement with POFA were 0%, 5%, 15%, and 20%. The mix ratio and water/binder ratio considered are 1:2:4, and 0.5 respectively. The various tests done on the samples include; compressive, splitting tensile, and flexural strengths. The result showed that, the specific gravity of PLC, POFA were; 3.13 and 2.19 respectively. The highest concrete strengths of 44.12, 3.51 and 4.36 N/mm2 for compressive, splitting tensile and flexural strengths respectively were obtained at 10% replacement in 28 days curing period. The study revealed that, POFA has good properties that makes it suitable to be used as a partial replacement for PLC to produce light weight concrete for less expensive structural applications.

keywords:

Concrete, P OFA, compressive strength, tensile strength, flexural strength

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