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The usages of composite materials in industries are become as a growing trend due to their inherent material properties such as good strength, low thermal expansion and high strength-to-weight ratio. Among the many classifications of composite materials, natural fiber composites are generally preferred due to their unique characteristics such as bio-degradable property towards the environment. In this study, based on the above selection criteria, from Borassus Tree trunk, Palmyra palm fiber and tamarind powder is selected for the study to use the same for practical application. During this course of examination, tamarind seed powder along with the exact proportionate of Palmyra palm fiber (treated and untreated) has been taken as the reinforcement, similarly epoxy resin has been chosen as the matrix material. To thoroughly validate the physical strength of the individual combination, five set of specimens were fabricated (treated and untreated) as well as their physical strengths such as tensile, flexural, impact and moisture absorption tests were evaluated. Out of all the tests, treated fibers wer shown the better upsurge in tensile, flexural, impact and moisture tests as against the untreated fibers.

Coconut shell and coir fibres are the natural materials which is abundantly available in tropical regions. Wastes generated by industrial and agricultural processes have created disposal and management problems which pose serious challenges to efforts towards environmental conservation. A considerable amount of coconut shells and fibres remain in the environment as waste, so utilization of these materials for construction will be an important step to improve sustainability and eco-friendly construction. In addition to that it will help to produce light weight and economically profitable materials in construction field. The current study examined the suitability of partial replacing of coarse aggregate with coconut shell and coir fibres. To compare the above, test for compressive strength, splitting tensile strength, temperature resistance, water absorption, electrical resistance, chemical resistance, pH test of sample were performed. The specific gravity, bulk density and water absorption of coconut shell and fibres were analyzed. A study on the economic aspects was also carried out. The addition of fly ash helps to increase the strength and workability of concrete. The results obtained from above will be compared with conventional concrete of same mix.

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