Utilisation of Eggshell Powder and Palm Kernel Shell Powder as Partial Replacement of Cement Incorporating Superplasticizer

Marimuthu, Navisha (2020) Utilisation of Eggshell Powder and Palm Kernel Shell Powder as Partial Replacement of Cement Incorporating Superplasticizer. Final Year Project (Bachelor), Tunku Abdul Rahman University College.

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Abstract

This study showed the results of experiments evaluating the use of eggshell powder and palm kernel shell powder from egg waste production industry and palm oil waste production 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 eggshell powder and palm kernel shell powder as a partial cement replacement in the production of concrete. Eggshell powder and palm kernel shell powder of various amounts, namely 5%, 10%, 15% and 20% by volume, was added as a replacement for ordinary Portland cement. The results showed that eggshell powder and palm kernel shell powder concrete greatly improved the compressive and flexural strength of concrete. The rate of water absorption of eggshell powder and palm kernel shell powder concrete was reduced as eggshell powder and palm kernel shell powder filled up the existing voids, making it more impermeable. However, the compressive strength of the eggshell powder and palm kernel shell powder concrete decreases gradually when the amount of eggshell powder and palm kernel shell powder increased. It can be concluded that the optimum percentage of eggshell powder and palm kernel shell powder 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 palm kernel shell powder and admixtures as partial replacement for cement in concrete.