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The current study aided in the development of a better knowledge of the strength properties of concrete utilising marble dust as a partial substitute for cement and stone dust as a partial replacement for sand. The need to use marble dust and stone dust as a partial substitute for cement and sand has arisen since the cost of materials has risen steadily, and sand has become scarce. The acquired waste material is utilised as a partial replacement material for the waste material produced during marble processing, stone crushing, or rock blasting.
The strength properties of concrete using marble dust and stone dust as partial replacements for cement and sand. The dissertation work is done using M30 grade concrete, in which marble dust is substituted by 0%, 5%, 10%, 15%, and 20% by weight of cement, and sand is replaced by stone dust in the range of 0%, 10%, 20%, 30%, and 40% by weight. For the M30 grade of concrete, examples were cast for 7 days, 14 days, and 28 days with different percentages of partial replacement of cement by marble dust and sand by stone dust. Compressive strength, flexural strength, and split tensile strength of all the mixtures are measured on various curing days. According to the findings of this research, partial substitution of cement with marble dust and sand with stone dust improved the compressive strength, flexural strength, and split tensile strength of concrete by 10% and 20%, respectively.
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