Utilization of Oil Palm Fibre (OPF) as Partial Replacement of Cement Incorporating Superplasticizer

Tan, Jun Zhong (2020) Utilization of Oil Palm Fibre (OPF) as Partial Replacement of Cement Incorporating Superplasticizer. Final Year Project (Bachelor), Tunku Abdul Rahman University College.

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Abstract

This paper reports showed the results of experiments evaluating the use of oil palm fibre from oil palm industry as partial replacement for ordinary Portland cement. Research on the reuse of waste materials in the concrete industry has been quite intensive in the past decade. The objective of this research is to identify the performance of oil palm fibre as a partial cement replacement in the production of concrete. Oil palm of various amounts, namely 5%, 10%, 15% and 20% by volume, was added as a replacement for ordinary Portland cement. The results showed that oil palm fibre greatly improved the compressive and flexural strength of concrete. The rate of water absorption of oil palm fibre concrete was reduced as oil palm fibre filled up the existing voids, making it more impermeable. However, the compressive strength of the oil palm fibre concrete decreases gradually when the amount of oil palm fibre increased. It can be concluded that the optimum percentage of oil palm fibre as a partial cement replacement is 15%. In this direction, an experimental investigation of ultrasonic pulse velocity, carbonation test, compressive strength, flexural strength and water absorption was undertaken to use eggshell powder and admixtures as partial replacement for cement in concrete.