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A Comparative Study on Egg Shell Concrete with Partial Replacement of Cement by Fly Ash


A Comparative Study on Egg Shell Concrete with Partial Replacement of Cement by Fly Ash
Authors : Dhanalakshmi M, Dr Sowmya N J, Dr Chandrashekar A
Publication Date: 01-06-2015

Authors

Author(s):  Dhanalakshmi M, Dr Sowmya N J, Dr Chandrashekar A

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. 4 - Issue. 05 , May - 2015

e-ISSN:   2278-0181

 DOI:  http://dx.doi.org/10.17577/IJERTV4IS051303

Abstract

The carbon dioxide produced by cement industries causes environmental pollution and global warming. In 1000Kg of cement manufacturing processes approximately 900Kg of CO2 is emitted. In order to reduce the impact of cement production on atmosphere, wastes by products are used as admixture in this study, so that environmental pollution and natural resources consumption is reduced. 75million tones of fly ash which are rich in silica are disposed to landfill as a waste annually in India. Egg shell powder which is rich in calcium is thrown away as a waste. In the present study, these two wastes are used as a partial replacement of cement and various properties like workability, compressive strength, and density were determined. Egg shell powder are varied upto 12.5% ( 0%, 2.5%, 5%, 7.5%, 10% and 12.5%) and fly ash is added to optimum egg shell powder content cement concrete from 0% to 30% (0%, 5%, 10%, 15%, 20%, 25% and 30%).

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