An Experimental Assessment on Properties of Plain Cement Concrete by Partial Replacement of Cement with Metakaolin & Fine Aggregate with Silica Sand
Keywords:
Metakaolin, Silica Sand, compressive strength, split tensile strength, standard concrete.Abstract
Concrete is widely used material in the construction industry for building structures that are ordinary to those that involve highly specialized
jobs. The use of alternative aggregate like silica sand is a natural step in solving part of depletion of natural aggregates. Supplementary
Cementious material like Metakaolin and additive material as Silica Sand has been tried by a number of researchers in the past. In this
dissertation work, Metakaolin have been used by varying its percentage by weight of cement as 7.5%, 10%, 12.5% and 15% and Silica Sand as
40%, 50%, 60% replacement to fine aggregates by its weight for various grades of concrete M25 and M35 to cover the largest contribution to
the construction industry using ordinary concrete as also substantially large component of the same using standard concrete. Effect of
Metakaolin and Silica Sand percentages on various properties of concrete like workability, compressive strength, split tensile strength etc. has
been studied. Optimum percentages of both materials for various grades of concrete from view point of maximizing compressive strength and
split tensile strength have been calculated.
