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International Journal of Research and Scientific Innovation (IJRSI) |Volume IX, Issue IX, September 2022|ISSN 2321-2705

Experimental Study of Use of Steel Fiber and Silica-Fume in High Strength Concrete.

 Koshish Rathore1, Er. R.S. Shekhawat2
1Civil Engineering Department of the College of Technology and Engineering, Udaipur, Rajasthan
2Assistant Professor, Dept. of Civil Engineering, College of Technology and Engineering, Udaipur, Rajasthan

IJRISS Call for paper

Abstract: Steel Fiber is found to be the most suitable for increasing strength of concrete mix. Using Steel Fiber would increase some cost but it gives return many times of its cost as a increasing of Compressive strength, Split Tensile Strength, Flexural Strength and as well as provide better stability against Earthquake as the need for greater importance as a drawn-out arrangement in the Indian concrete industry. In the present analysis, we have added steel fiber i.e. 0.5 % to 2.0 % of cement content in concrete mix for getting better test results. The focus of this research is to Increase strength of concrete mix in various manner for getting high heights in construction industry. This study examines the effect of using steel fiber with silica fume in High Strength Concrete Mix i.e. M 60. Total 270 concrete specimens were cast in this study. The specimens were prepared for the concrete mix of M 60 grade using w/c ratio 0.32. The effects on different properties of concrete with Steel Fiber added concrete mix were evaluated in this study. The specimens of concrete mixes were tested for compressive strength, flexural strength, split tensile strength and carbonation test. Test results of the samples show that the strength of concrete mix increases with the use of Steel Fiber added concrete mix as 0.5 % to 2 % of cement content in M 60 Design Concrete mix. It is also found that carbonation depth for Steel Fiber added concrete mix concrete mix is few more as compared to Normal OPC M60 Design concrete mix. The overall results of this study show that Steel Fiber added concrete performs well in various strength tests with some modification in the mix design.


Recent earthquakes in different parts of the world have revealed again the importance of design of reinforced concrete structures with high ductility. Strength and ductility of structures depend mainly on proper detailing of the reinforcement. To avoid congestion of reinforcement and to increase flexural strength steel fibre reinforcements most suitable. However, to understand these properties, the need for estimating the fiber contribution and the prediction of the composite’s behavior is necessitated. Concrete is the most widely used and versatile building material which is generally used to resist compressive forces.
Metakaolin, or heattreated clay, may be used as a Supplementary Cementitious Material (SCM) in concrete to reduce cement consumption, to increase strength and the rate of strength gain, to decrease permeability, and to improve durability. Metakaolin reduces the porosity of concrete. Plain concrete possesses a very low tensile strength, limited ductility and little resistance to cracking.