ISSN (Online) : 2456 - 0774

Email : ijasret@gmail.com

ISSN (Online) 2456 - 0774


STUDY OF STRENGTH AND DURABILITY PARAMETERS OF CONCRETE MADE USING FLY ASH AGGREGATES

Abstract

Abstract:- In this study, the fine and coarse aggregates were completely replaced by fly ash aggregates in fly ash concrete. A mix design was done for M40 grade of concrete by IS method. Ordinary Portland cement of 43 Grade was selected and fly ash aggregates were prepared by mixing fly ash with cement and water. The properties of fly ash fine aggregates and fly ash coarse aggregates were studied. The aggregate crushing value and aggregate impact value of fly ash coarse aggregates were also studied. The fly ash aggregates proportions of 0% , 10%, 20% , 30 % , 40% , 50% by aggregates weight were tried with a suitable water cement ratio 0.45 to get the fly ash aggregates. The concrete cubes, cylinders and beams were cast with the fly ash aggregates obtained from the above six cement fly ash proportions. Then the compressive strength, split tensile strength and flexural strength and durability were tested and compared with control concrete. This paper briefly presents the compressive strength development of fly ash aggregate concrete at different ages. The split tensile strength and flexural strength of all the concrete mix were also investigated at different days of curing.
Keywords: Fly ash aggregates (FAA), Compressive Strength, Split tensile strength, Flexural strength, etc.

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