Experimental Investigation on Steel Fibers in the Concrete

Shrikant M. Harle¹

Section:Research Paper, Product Type: Journal-Paper
Vol.5 , Issue.8 , pp.28-35, Aug-2019

Online published on Aug 31, 2019

Copyright © Shrikant M. Harle . This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
 

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Abstract :
Cement concrete is the most extensively used construction material in the world. The reason for its extensive use is that it provides good workability and can be moulded to any shape. Ordinary cement concrete possesses a very low tensile strength, limited ductility and little resistance to cracking. Internal micro cracks, leading to brittle failure of concrete It is now established that one of the important properties of Steel Fiber Reinforced Concrete (SFRC) is its superior resistance to cracking and crack propagation. In this work effect of fibers on the strength of concrete for M 20 grade have been studied by varying the percentage of fibers in concrete. Fiber content were varied by 0.50%, 1%, and 2% by volume of cement. The optimum fiber content while studying the compressive strength of cube is found to be 1% and also 1% for flexural strength of the beam. Also, it has been observed that with the increase in fiber content up to the optimum value increases the strength of concrete. Slump cone test was adopted to measure the workability of concrete. The Slump cone test results revealed that workability gets reduced with the increase in fiber content.

Key-Words / Index Term :
steel fibers, compressive strength, slump test, cost comparison and flexural strength

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