Investigation on Mechanical Properties of Silica Fume Blended High Strength Concrete

Abstract

The investigation on the mechanical properties of silica fume blended high-strength concrete aims to study the effect of adding silica fume as a partial replacement of cement on the M60, M70 and M80 grade of high strength concrete. In this study, silica fume was kept at 15% by weight of cement, and the resulting concrete was tested for compressive strength and splitting tensile strength. The results show that the 15% replacement of silica fume improved the mechanical properties of concrete significantly. It is observed that as curing period increases, the compressive strength and splitting tensile strength values were increased. It is concluded that the optimum proportion of silica fume significantly contributed to the strength of high strength concrete.