Hardened State Properties of Glass Fiber Reinforced High Strength Concrete

International Journal of Civil Engineering

© 2019 by SSRG - IJCE Journal

Volume 6 Issue 5

Year of Publication : 2019

Authors : Ideh, Suanubari B., Barisua E. Ngekpe, Iboroma, Z. S. akobo

10.14445/23488352/IJCE-V6I5P108

How to Cite?

Ideh, Suanubari B., Barisua E. Ngekpe, Iboroma, Z. S. akobo, "Hardened State Properties of Glass Fiber Reinforced High Strength Concrete," SSRG International Journal of Civil Engineering, vol. 6,  no. 5, pp. 50-56, 2019. Crossref, https://doi.org/10.14445/23488352/IJCE-V6I5P108

Abstract:

Plain high strength concrete is more brittle as the compressive strength increases and therefore susceptible to cracking. To overcome this, concretes are reinforced with fibers to improve their ductility, toughness and reduce cracks possibility. This study was carried out to investigate the hardened state properties of high strength concrete reinforced with alkaline resistant glass fiber at varying percentages (0.5, 1.0, 1.5, and 2.0%). In order to reduce autogenous shrinkages resulting from excess cement volume, microsilica, a cementitious material, was used as a partial replacement for cement. The Particle Packing Method mix design was adopted to design specimens to reduce the mixes' void volume. A compressive strength test was carried out on hardened concrete specimens. Results showed that the compressive strength of the concrete increase as the incorporation level of microsilica and glass fiber increase. However, a slight drop in strength was observed at 2% glass fiber inclusion. The maximum compressive strength of 130MPa was measured at 10% replacement of cement with microsilica and 1.5% inclusion of glass fiber.

Keywords:

High Strength Concrete, Compressive Strength, Glass fiber, Microsilica, Particle Packing Method

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