A Characteristic Study on Strength of Steel fibre Reinforced Cement Concrete
Author(s):
Md Siraj Ahmed, Dr. Anil Kunte
Keywords:
Steel fibres, Cement, Superplasticizer
Abstract
Concrete is the most widely used structural material around the world, because of its higher compressive strength, low cost and can be easily manufactured with the locally available materials. But concrete lacks tensile strength, ductility, fatigue, and resistance to cracking and crack propagation. Direct and flexural tensile strength can be imparted to concrete by embedding the steel rods. A challenge for engineers was created to develop a new construction material since the resulting matrix lacks in ductility and resistance to cracking. As the consequences of research, the use of fibres along with ingredients of concrete was investigated to produce a composite material called Fibre Concrete Steel Fibre reinforced concrete may be defined as a composite material made with Portland cement, aggregate and incorporating discrete discontinuous fibres. Plain unreinforced concrete is a brittle material with a low tensile strength and low strain capacity. The role of randomly distributed discontinuous fibres to bridge across cracks that develop, to provide some post cracking ductility If the fibres are sufficiently strong, sufficiently bounded to material and permit the Fibre reinforce concrete to carry significant stress over relatively large strain capacity in the post cracking stage. There are of course other ways of increasing the strength of concrete. The real contribution of fibres to increase the toughness of the concrete under any type of loading
Article Details
Unique Paper ID: 156803

Publication Volume & Issue: Volume 9, Issue 5

Page(s): 28 - 32
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