Prediction Model for Cementing Efficiency of Fly Ash Concrete by Statistical Analyses

Hong Bum Cho; Nam Yong Jee

doi:10.4028/www.scientific.net/AMR.250-253.1293

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 250-253Prediction Model for Cementing Efficiency of Fly...

Prediction Model for Cementing Efficiency of Fly Ash Concrete by Statistical Analyses

Abstract:

This paper offers the model that can estimate the cementing efficiency of fly ash (k value) based on a mix proportion of concrete containing fly ash (FA). The prediction model was derived using various statistical analyses, based on a wide range of mix proportions and a number of strength test results of ready mixed concretes used in eight construction sites. The k value increases with increasing water-binder ratio. As the FA replacement ratios increase, the k value increases at FA replacement ratios of less than 15%, but decreases at ratios of 15% or more. The k values obtained from the cementing efficiency estimate model range from 0.1 to 2.1.

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Periodical:

Advanced Materials Research (Volumes 250-253)

Pages:

1293-1296

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.250-253.1293

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Online since:

May 2011

Authors:

Hong Bum Cho, Nam Yong Jee

Keywords:

Cementing Efficiency, Fly Ash (FA), Relative Strength, Statistical Analysis

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