Effective Reuse Of Marble Dust Powder In Cement Mortar

This paper describes the use of marble waste in the cement mortar as the partial replacement of fine aggregate. Marble dust powder gives better cohesive between the aggregates in concrete and mortar. It gives better performance to the concrete and mortar. The percentage replacement of the marble powder varied in the study includes 0 %, 10 %, 25%, 40% and 50 % of cement. The specimens to find the compressive strength, flexural strength were casted using various percentage and cured for three different curing time 7 days, 14 days and 28 day. The compressive and flexural strength of the marble powder replaced mortar between 0 % to 25 % replacement of marble dust powder and its strength decreases if the replacement is between 25 % and 50 %. The water absorption capacity of the marble powder cement mortar cube was increased rapidly for the first 3 hrs of the test and then increased gradually up to 120 hrs. The partial replacement of Marble dust in the mortar increases the compressive and flexural strength if the replacement of fine aggregate upto 25 %. The water absorption and sorptivity coefficient of the cement mortar cube with marble powder increases 40 % with increase in the % of the marble dust.