" Study of Strength Properties of Concrete by Partial Replacement with Fly Ash and Copper Slag in Cement And Fine Aggregate "

Authors : G Swathi, Gaddam Dinesh
Publication Date: 10-10-2017


Author(s):  G Swathi, Gaddam Dinesh

Published in:   International Journal of Engineering Research & Technology

License:  This work is licensed under a Creative Commons Attribution 4.0 International License.

Website: www.ijert.org

Volume/Issue:   Volume. 6 - Issue. 10 , October - 2017

e-ISSN:   2278-0181

 DOI:  http://dx.doi.org/10.17577/IJERTV6IS100020


Copper slag is a byproduct of copper extraction by smelting. During smelting impurities become slag which float on the molten metal . slag that is quenched in water produces angular granules which are disposed as a waste material . And fly ash is produced by burning of powdered coal. In this experiment we are replacing cement with fly ash and sand with copper slag to study about the strength and workability of M30 grade concrete . Previously so many research were conducted by replacing cement with fly ash and sand with copper slag to find out the maximum strength of concrete. Now we are doing this investigation by dividing the fineness ratio’s percentages as 15% of fly ash as replacement of cement and 10%, 20%, 30%, 40% of copper slag as replacement of sand. Where the replacement of cement by fly ash is same at all percentage replacements of fine aggregate. In this experimental investigation parameters like workability, And the compression strength after 7days and 28 days curing period and split tensile strength after 28 curing period is determined. The investigation is done to find out strength properties of M30 grade of concrete by partial replacement of cement with fly ash and fine aggregate with copper slag , to reduce the cost of the cement and in point of scarcity in sand. Both of the fly ash and copper slag are waste materials, so they can be used for construction.


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