27-10-2014, 01:00 PM
Abstracts: Concrete is a widely used material now a day. As far as river sand is concern, it is expensive due to excessive cost of transportation from natural sources. Also large-scale depletion of these sources creates environmental problems. As environmental, transportation and other constraints make the availability and use of river sand less attractive, a substitute or replacement product for concrete industry needs to be found. In such a situation Quarry rock dust can be an economic alternative to the river sand. Use of Quarry rock dust as a fine aggregate in concrete draws serious attention of researchers and investigators. This project is part of a study investigating of the structural characteristics of concrete using various percentage of quarry dust as replacement for conventional river sand fine aggregate. Samples of concrete (e.g. Cubes, Beam) will be made using varying content of quarry dust as fine aggregate. The quantity of quarry dust will be varied from 0% to 100% with replacement to natural sand at intervals of 25% for concrete mix design of M25 and also find out the sulphate & acid effect on the samples.