Glass Fiber Reinforced Concrete with Partial Replacement of Cement with Flyash

Paper ID: EIJTEM_2015_2_2_15-37

Author's Name: T.L. Abinaya and S. Vignesh

Volume: 2

Issue: 2

Year: 2015

Page No: 15-37

Abstract:

Concrete is a material which is weak in tension, and is often affected by cracking and scaling which are connected to plastic and hardened states and drying shrinkage. Generally concrete suffers from low tensile strength, limited ductility and little resistance to cracking. With increase in coal based thermal power projects there is increase in production of fly ash as a waste material and the disposal of this fly ash is hazardous if it is not disposed well. Glass fiber is a chemically inorganic fiber, obtained from molten glass of a specific composition. The replacement of cement with fly ash in glass fibre reinforced concrete reduces the environmental pollution and improves the mechanical and durability properties of concrete. In the paper, glass fibres in different volume fractions with 10% and 20% replacement of cement by fly ash has been used to study the effect on compressive strength, split tensile strength, flexural strength of concrete. For each mix standard sizes of cubes, cylinders and prisms as per Indian Standards were cast and tested for compressive strength and split tensile strength at age of 7days.

Keywords: Glassfiber, Concrete, Flyash, Crack Reduction, Compressive Strength, Tensile Strength.

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