Abstract

Abstract: Sand is the major material used in construction all over the world. Nowadays sand is highly demand for the construction. The main purpose of this project is to investigate the effect of bottom ash in concrete and hence improving the strength and durability of concrete. So the objectives of this study were to investigate the effect of use of coal bottom ash & msand as partial replacement of fine aggregates. Percentages {M-Sand (50%), bottom ash (5%, 10% , 15% , 20%) , silica fume(2% were added) for 25% of bottom ash}. on concrete properties such as compressive strength, splitting tensile strength test. The results of specimens with and without bottom ash, Manufacturing sand, silica fume were compared. The strength of concrete was increased upto 15% replacement of bottom ash instead of fine aggregate and the 25% replacement of bottom ash with 2% of silica fume increased the strength of concrete. Keywords: Bottom ash, silica fume, manufacturing sand

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