Abstract
Fly ash is a residual material of energy production using coal, which has been found to have numerous advantages for use in concrete. Some of the advantage include improved workability, reduced permeability, increased ultimate strength, reduced bleeding, and better surface and reduced heat of hydration. Several types of fly ash are produced, depending on the coal and coal combustion process. It is a pozzolanic material and has been classified into two classes. Fly ash is one of the residues generated in combustion and comprises the fine particles that rise with the flue gases This paper focuses on the experimental investigation to study percentage replacement of fly ash for cement content in the concrete and deciding the water binder ration to achieve the intrinsic properties such as compressive strength, split tensile strength and flexural strength for a mix design by casting number of cubes, cylinders and prisms to ascertain that the strength characteristics and then to understand the load-deflection characteristics, model beams were cast and tested after 28 days of curing. A replacement of 30% of fly ash to the weight of the cement is optimum to achieve the required strength and ascertain that the durability properties can also adequately achieved.
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