International Journal of Mechanical and Production Engineering (IJMPE)
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  Journal Paper

Paper Title :
An Experimental Study On Slag/Fly Ash-Based Geopolymer Concrete

Author :Chien-Chung Chen, Ivan Diaz, Kathleen Menozzi, Luis Murillo

Article Citation :Chien-Chung Chen ,Ivan Diaz ,Kathleen Menozzi ,Luis Murillo , (2015 ) " An Experimental Study On Slag/Fly Ash-Based Geopolymer Concrete " , International Journal of Mechanical and Production Engineering (IJMPE) , pp. 13-17, Volume-3,Issue-8

Abstract : This research outlines an experimental program to investigate material properties of one type of geopolymer concrete, slag/fly ash-based geopolymer concrete. Slag/fly ash-based geopolymer concrete uses slag and fly ash to entirely replace portland cement as the cementing material. In this study, slag and fly ash were obtained from a local ready-mix concrete plant in the Midwest of the United States. A number of pre-test mixes of geopolymer cement were made to determine suitable mix proportions. It was found that workability of the geopolymer cement studied was highly influenced by the slag-to-fly ash ratio. Three geopolymer concrete mixes with varying slag-to-fly ash ratios were produced and tested to determine slump, air content, unit weight, 7 and 28 day compressive strength, and flexural strength. Results showed that all the three mixtures investigated in this study possessed compressive strength, air content, and unit weight comparable to those of ordinary portland cement concrete. Furthermore, the studied geopolymer concrete exhibited high early strength, compared to that of ordinary portland cement concrete. However, the flexural strength of the studied geopolymer concrete was lower than that of ordinary portland cement concrete. Index Terms- concrete, geopolymer, fly ash, slag.

Type : Research paper

Published : Volume-3,Issue-8


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