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  DOI Prefix   10.20431


 

International Journal of Constructive Research in Civil Engineering
Volume 1, Issue 2, 2015, Page No: 27-32

Effects of Cassava Peel Ash (CPA) as Alternative Binder in Concrete

Raheem S.B1, Arubike E.D1, Awogboro O.S2

1.Department of Civil Engineering, The Polytechnic, Ibadan. Oyo State, Nigeria
2.Department of Civil Engineering, Osun State University, Osun State, Nigeria

Citation : Raheem S.B, Arubike E.D, Awogboro O.S, Effects of Cassava Peel Ash (CPA) as Alternative Binder in Concrete International Journal of Constructive Research in Civil Engineering 2015, 1(2) : 27-32

Abstract

This work reports the outcome of an experiment carried out by using cassava peel ash (CPA) of varying quantities to partially replace cement in concrete work. The experiment was carried out by partially replacing cassava peel ash (CPA) of 0 to 20 percent by weight of cement at 5% interval. The concrete was batched with a mix ratio of 1:2:4. The cubes produced were allowed to cure for 7 -28 days. Compressive strength test was conducted on the samples at interval of 7 days. Slump test and setting time of the concrete cubes were conducted. The result obtained showed that compressive strength of the concrete increased with increase in length of curing age, but decreased as the percentage of CPA increases. However, the strength still remained in the allowable range of workability for concrete in line with the British standard. CPA replacement of 5 - 15 percentages was found to be suitable considering the strength and safe use of the concrete. It was concluded that CPA replacement of 5%, 10% and 15% showed no significant loss in strength compare to the control sample and is stable and could be acceptable in most concrete. At the long run Cassava peeling that currently constitutes waste concern in South Western Nigeria can best be managed through alternative use.


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