PARTIAL REPLACEMENT OF CEMENT IN CONCRETE BY RICE HUSK ASH WITH BENTONITE

Civil Engineering

In this paper, a detailed experimental investigation was carried out to investigate the effect of partial replacement of cement by Rice Husk Ash and constant amount of Bentonite (as admixture) in combined proportions ranging from 0 percent RHA to 100 percent cement mix together in concrete by replacement of cement with a gradual increase of RHA by 5 percent and a concurrent decrease of cement by adding the constant 10% of Bentonite (as admixture). The final proportion was 15 percent RHA and 85 percent cement with 10 percent of Bentonite as admixture. The hardened concrete tests were destructive in nature, including a compressive test on a cube for size (150×150×150mm) 3, 7, 14 and 28 days of curing as per IS: 516-1959. The work provided in this paper reports on the impact on the behavior of concrete made from cement with varied proportions of Bentonite and RHA on the mechanical properties of concrete such as compressive strength. All the materials such as cement fine Aggregate (M sand) coarse Aggregate, all the required test to be done.

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