PARTIAL SUBSTITUTION OF CEMENT WITH CRUSHED CHICKEN EGG SHELL POWDER

Abstract
This project seeks to examine the use of crushed egg shells as a partial substitute for cement in concrete. Ideally, the concrete made with partially replaced cement ought to retain its strength for the experiments to be considered a success. The chemical composition of egg shells is roughly 95% similar to that of cement and the ability to replace it without too much change in performance should be easily noticeable.
Egg shells are readily available as a waste product in Kenya. Collection of egg shells can be done at the numerous restaurants and bakeries that use a lot of eggs for their operation. Even if they are not enough to meet the needs of the entire construction industry, the fact that they are free would prove a great incentive for contractors to adopt. As a developing nation, Kenya is faced with the problem of having numerous construction projects required to be implemented. However, against a backdrop of low funds, it is necessary that creative means of lowering this costs be adopted.

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