Study on M20 Grade Concrete Strength Analysis by using Glass Fibres

Abstract

Concrete is among the most crucial building material and its application has been constantly on the rise in the whole world. The reasons for which are that it is comparatively inexpensive and its ingredients are easily accessible, and have application in a wide variety of civil infrastructure work. But concrete has some drawbacks such as brittleness and low crack opening and spread resistance. Concrete has a tendency of brittleness and has very low tensile strength and hence fibres are added in some form or the other to enhance its tensile strength and reduce its brittleness. Over time numerous experiments have been performed for refining the properties of concrete in both fresh condition and hard condition. The fundamental materials are the same but superplasticizer, admixtures, micro fills are also utilized in order to achieve the preferred workability, setting time reduction or reduction and higher compressive strength. Fibres which are applied for structural concretes are classified according to their material as Steel fibres, Alkali resistant Glass fibres (AR), Synthetic fibres, Carbon, pitch and polyacrylonitrile (PAN) fibres.