Abstract

Experimental Study of Fly Ash Based Geopolymer Concrete

Highlights

  • Concrete is one of the most widely used construction material, it is usually associated with Portland cement as the main component for making concrete

  • The development and application of high volume fly ash concrete, which enabled the replacement of Ordinary Portland cement up to 60% by mass, is a significant development

  • The very little drying shrinkage, the low creep, and the excellent resistance to sulfate attack offered by the fly ash-based geopolymer concrete may yield additional economic benefits when it is utilised in infrastructure applications

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Summary

INTRODUCTION

Concrete is one of the most widely used construction material, it is usually associated with Portland cement as the main component for making concrete. The development and application of high volume fly ash concrete, which enabled the replacement of Ordinary Portland cement up to 60% by mass, is a significant development. In this respect, the geopolymer technology proposed by Davidovits shows considerable promise for application in concrete industry as an alternative binder to the Portland cement. Fly ash-based geopolymer concrete offers several economic benefits over Portland cement concrete. The very little drying shrinkage, the low creep, and the excellent resistance to sulfate attack offered by the fly ash-based geopolymer concrete may yield additional economic benefits when it is utilised in infrastructure applications. The main objective of this study involves observation of structural behaviours of the fresh fly ash-based geopolymer concrete, understanding the basic mixture proportioning of fly ash-based geopolymer concrete and evaluating various economic considerations an effort is made to identify and study the effect of salient parameters that affects the properties of low-calcium fly ash-based geo- polymer concrete and the properties of concrete at varied concentrations of alkali solutions and how the change in temperature affects the strength characteristics

MATERIALS AND METHODS
Findings
CONCLUSIONS
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