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As we know that so many wastes which can be used in traditional concrete like E- wastes, biomedical wastes, Agricultural wastes etc. Coconut casing and rice husk ash are also the key waste which is easily and plenty available in home needs and that can be used in usual concrete. This coconut shell can be trampled and used as a coarse aggregate in production of concrete. Coconut shell material could be used in rural areas and places where coconut is plentiful and may also be used where the usual aggregate is costly. Rice husk ash is a waste from rice manufacturing factories and it is a good combination of replacement of cement which has same properties. The elevated cost of usual construction material affects the financial system of structure. It is becoming more difficult to find natural resources. Use of waste material not only helps in getting them utilized in cement, concrete and construction materials but also has several indirect benefits such as diminution in landfill cost savings in energy and defending the environment from feasible pollution effects. The Coconut Shells(CS) were taken on constant 5% with replacement of coarse aggregate and Rice Husk Ash(RHA) were taken on 0%, 4%, 8%, 12%, 16%, 20% & 24% with limited replacement of cement on M30 Grade of Concrete(GC). It is used to compare the results of compressive strength, split tensile strength, flexural strength of concrete. Its utilization is cost effective and eco-friendly. Key Words: Coconut shells (CS), Rice husk ash (RHA), Coarse aggregate, Fine aggregate, Cement, M30 GC.
A Thu, study studied this question.