ISSN (Online) : 2456 - 0774

Email : ijasret@gmail.com

ISSN (Online) 2456 - 0774


INFLUENCEOF SILICA FUME & STEEL FIBER ON MECHANICAL PROPERTIES OF HARDENED CONCRETE


Abstract

Abstract:Theexperimental work is carried out on concrete due to the effect of silica fumewith and without steel fibers. In this research we used different concretemixes with micro silica of 0%, 5%, 7.5%, 10%, 12.5%, 15% and 20% by the volumeof concrete for M35 grade concrete. The optimum percentage of micro silica togive maximum compressive strength, flexural strength & tensile strength wasfound to be 12.5%. With the addition of straight steel fibers of diameter 0.5mmand length 12mm with aspect ratio 24, the various percentages as 0.2%, 0.4%,0.6%, 0.8%, 1.0% and 2% to the optimized percentage of micro silica (i.e.,12.5) to determine the mechanical properties of concrete.

Keywords: Silica Fume, Steel Fiber, Compressive Strength, Flexural Strength,Tensile Strength, SCC


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