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Impact of Ferrochrome Ash and Gypsum Powder on Properties of Concrete


Impact of Ferrochrome Ash and Gypsum Powder on Properties of Concrete
Authors : Prof. P K Parhi, Shrinu Mohanty
Publication Date: 03-07-2017

Authors

Author(s):  Prof. P K Parhi, Shrinu Mohanty

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. 07 , July - 2017

e-ISSN:   2278-0181

 DOI:  http://dx.doi.org/10.17577/IJERTV6IS070016

Abstract

Ferrochrome is an alloy of iron and chromium. Ferrochrome ash (FA) is a waste material obtained from ferrochrome industry. Due to less amount of landfilling areas dumping of industrial waste materials like ferrochrome ash have become a difficult task. Instead of dumping, Ferrochrome ash have become a wonderful proposition in the preparation of concrete. Gypsum is a soft sulphate mineral composed of calcium sulphate dihydrate. Gypsum has excellent fire resistance properties and it is cheaply available in the market. It is an excellent binder. Gypsum can be effectively utilised in the production of environmental friendly concrete. This paper demonstrates the technical possibilities of incorporating Ferrochrome ash (FA) and Gypsum powder (GP) in production of concrete. In this investigation combination of FA and GP was used as a replacement of Ordinary Portland cement (OPC) for preparation of concrete. The use of industrial materials like FA and GP provided benefit in the aspects of strength, economy and environmental stability. (30% FA and 10% GP) replacement 7 days test results showed that there is a consequent improvement in strength of concrete. It was concluded that 30% FA with 10% GP replacement can be safely utilised in preparation of concrete.

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