The Effect of sieved Coal Bottom Ash as a Sand Substitute on the Properties of Concrete with Percentage Variation in Cement

M. P. Kadam^1, and Y. D. Patil²

¹Department Civil Engineering, NDMVPS’s KBT College of Engineering, Nashik, India

²Department of Applied Mechanics, SVNIT, Surat, India

Cite this paper:
M. P. Kadam and Y. D. Patil. The Effect of sieved Coal Bottom Ash as a Sand Substitute on the Properties of Concrete with Percentage Variation in Cement. American Journal of Civil Engineering and Architecture. 2014; 2(5):160-166. doi: 10.12691/ajcea-2-5-2

Abstract

This paper presents the results of an experimental investigation on the effect of sieved coal bottom ash as a substitute for natural sand on the properties of concrete, when an extra 5%, 10%, 15%, 20%, 25% and 30% weight of cement was added. First, M-35 grade concrete was casted and tested; using a fixed percentage of 70% sieved coal bottom ash and 30% natural sand. The water cement ratio was maintained at 0.45. Then various tests including compressive strength, split tensile strength, flexural strength, density and water permeability were performed on the sieved coal bottom ash concrete. The results were compared with the control concrete and the percentage variations in strength were studied at 7, 28, 56 and 112 days. The results indicate a considerable increase in strength when 20% extra cement was added with the weight of cement.

Keywords:
sieved bottom ash compressive strength split tensile strength flexural strength water permeability

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