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Influence of Silica Fume on Compressive Strength of Concrete

Author(s):

Syed Irfan Simnani , National Institute Of Technology ,Srinagar.

Keywords:

Compressive Strength, Optimum, Silica Fume

Abstract

Traditionally, Ordinary Portland cement is used for making the civil structures. Portland cement can be partially replaced by silica fume. Water-binder ratio adopted is 0.35 and the grade of concrete used is M35. Silica fume is non metallic and non hazardous waste of industries. It is suitable for concrete mix and improves the mechanical properties of concrete like compressive strength etc. The main objective of this research work is to determine the optimum replacement percentages which can be suitably used under the Indian conditions. In order to determine the optimum replacement percentage comparison between the regular concrete and concrete containing silica fume is done and the corresponding compressive strength at 7 days & 28 days has been plotted. It has been seen that when cement is replaced by silica fume compressive strength increases up to certain percentage (15% replacement of cement by silica fume).But higher replacement of cement by silica fume gives lower strength.

Other Details

Paper ID: IJSRDV5I60560
Published in: Volume : 5, Issue : 6
Publication Date: 01/09/2017
Page(s): 1089-1090

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