Experimental Investigation on Concrete Using Bottom Ash as a Partial Replacement of Fine Aggregate on Addition With PPF
Pradeep G
P.G.Scholar , Department of Civil Engineering, PRIST University ,Thanjavur, Tamil Nadu
Tamilvanan K
Assistant Professor, Department of Civil Engineering, PRIST University ,Thanjavur, Tamil Nadu
B Jose Ravindraraj
M.E., Assistant Professor, PRIST University, Thanjavur, Tamil Nadu
Receiving Date:
2017-01-07
Acceptance Date:
2017-02-04
Publication Date:
2017-03-06
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Abstract
Bottom ash is a hazardous by-product from coal based thermal power plants. In this study fine aggregate in concrete mix has been replaced with bottom ash and Polypropylene fiber is additionally used to enhance the strength characteristics of concrete. The concrete mix design is done for M25 grade concrete. The mix is prepared for different combinations of 0%, 10%, 20% and 30% of replacement of sand by bottom ash with 0.5% of polypropylene fiber by total weight of the Cube. The mechanical properties were compared with control mix and it was found that the optimal combination as 30percantage bottom ash and 1.0 percentage polypropylene fiber. Flexural strength was compared by testing beams of size 1.5 x 0.25 x 0.15m under two point loading. Results showed that was no degradation of strength for beams as replacement of fine aggregate with bottom ash.
Keywords:
Bottom ash; Polypropylene fiber; Fine aggregate; Flexural strength.
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