Strength of Brick Masonry Prisms when Cement Is Replaced with Fly Ash
The IUP Journal of Structural Engineering, Vol. V, No. 4, pp. 53-60, October 2012
Posted: 5 Dec 2012
Date Written: December 4, 2012
Abstract
The paper presents variation of strengths in brick and brick masonry prism with every percentage increment of fly ash. The brick strength ranged between 3.2 and 3.94 N/mm2. Masonry prism strength using these bricks in cement mortar of 1:3 is partially replaced with fly ash by 10%, 20%, 30%, 40% and 50%, and compared with cement mortar of 1:2 and 1:4. Numerical equation is derived for 1:3 cement mortar using regression analysis. It was observed that the compressive strength of 1:3 cement mortar with 20% fly ash is higher than that of 1:4 cement mortar.
Keywords: compressive strength, brick masonry prism, cement mortar, fly ash
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