Behaviour of Concrete on Replacement of Sand with Quarry Stone Dust as Fine Aggregate

Conventional Cement Concrete (CCC) consists of Portland Cement (PC) as binder, which binds the inert aggregate system. Concrete has found its wide application in buildings throughout the world because of positive attributes such as durability, high resistance to loads, and the possibility of using local raw materials in the preparation of concrete (Sand, Crushed Stone). The use of river sand in making the concrete is the best Fine Aggregate (FA). Seasonal non – availability and scarcity leads to the higher cost. There is a need to tackle this problem. So the replacement of conventional river sand is necessary. For this the abundantly available material at all season at a cheaper rate is in need. The use of Quarry Dust – the fines which is found as the remains of the crusher industry, as a replacement of sand is being tried at different places, but no authentic results are available for the characteristics strength and the optimum proportion by which it can be included as FA. Properties such as: compressive, split tensile and flexural strengths besides durability of concrete made with Quarry Dust have been investigated. Cement Concrete mix using Quarry Dust as Fine Aggregate is designed using M20. Combinations used for this study, 1 Concrete using 100% natural sand as fine Aggregate. 2 Concrete using 75% natural sand and 25% Quarry Dust. 3 Concrete using 50% natural sand and 50% Quarry Dust. 4 Concrete using 25% natural sand and 75% Quarry Dust.