NDLI: Effect of substitution of cement with rice husk ash on compressive strength of concrete using plastic fibres and super plasticizer

Content Provider	Springer Nature Link
Author	Sharma, R. K.
Copyright Year	2014
Abstract	India is a major rice producing country and the husk generated during millings is mostly used as fuel in the boilers for processing paddy, producing energy through direct combustion and/or by gasification. About 20 million tonnes of Rice Husk Ash (RHA) is produced annually and is a great environ mental threat, causing damage to the land and the surrounding area in which it is dumped. In the conversion of rice husks to ash, the combustion process removes the organic matter and leaves silica rich residue. The fiber inclusions increase the strength of the cement-stabilized specimens as well as that of the ash-soil specimens and change their brittle behavior to ductile behavior. In this paper, the effect of different contents of Rice Husk Ash (RHA) added to concrete containing super plasticizer and with and without plastic fibers on its compressive strength has been studied. Samples with 3%, 5%, 7%, 10%, 12% and 15% content of RHA replacing the cement have been tested. The results have been compared with those for the control sample and viability of adding RHA to concrete has been studied. It was observed that up to 10% of cement can be replaced with RHA mixed with plastic fibres with nearly equivalent compressive strength. Further replacement of cement up to 15% will result in concrete of fair compressive strength.
Starting Page	2138
Ending Page	2142
Page Count	5
File Format	PDF
ISSN	12267988
Journal	KSCE Journal of Civil Engineering
Volume Number	18
Issue Number	7
e-ISSN	19763808
Language	English
Publisher	Korean Society of Civil Engineers
Publisher Date	2014-06-20
Publisher Place	Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	cement concrete RHA plastic fibres super plasticizer compressive strength Civil Engineering Industrial Pollution Prevention Geotechnical Engineering & Applied Earth Sciences
Content Type	Text
Resource Type	Article
Subject	Civil and Structural Engineering

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