mix of m20 grade concrete with replacement of 0% 20% 30% 40% and 50% of . hand the advantages of utilization of byproducts or aggregates obtained as . attempts have been made to investigate some property of quarry dust and the.
abstract. this investigation aims to come up with a mix proportion for concrete class 25 by the use of quarry dust instead of normal river sand for concrete mix. the modern types of concrete include cellular or aerated concrete which graded medium to fine sand sized materials with a small amount of silt sized.
investigated the partial replacement of sand with quarry dust. initially cement . sand in many parts of the country is not graded properly and has excessive silt.
abstract. substitution of crusher dust for sand in cement mortar for brick masonry is experimented with brick masonry prisms cast in. 2. 2 . the investigation indicates that the crusher dust can replace natural sand . and reduced strength in masonry or concrete and hence . grading and fineness modulus of the aggregate.
jun 30 2016 . the concept of replacement of natural fine aggregate by quarry dust which is . investigations conducted it is concluded that the quarry dust can be used . also to some extent or totally without compromising the quality of concrete. .. figure 1 shows the compressive strength of m20 grade with varying age.