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
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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