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Can the compressive strength of concrete be estimated from knowledge of the mixture proportions?: New insights from statistical analysis and machine learning methods

Authors: Benjamin A. Young , Alex Hall , Laurent Pilon , Puneet Gupta , Gaurav Sant

DOI: 10.1016/J.CEMCONRES.2018.09.006

Keywords:

Description: Abstract The use of statistical and machine learning approaches to predict the compressive strength concrete based on mixture proportions, account its industrial importance, has received significant attention. However, previous studies have been limited small, laboratory-produced data sets. This study presents first analysis a large set (>10,000 observations) measured strengths from actual (job-site) mixtures their corresponding proportions. Predictive models are applied examine relationships between design variables strength, thereby develop an estimate (28-day) strength. These also laboratory-based measurements published by Yeh et al. (1998) performance across both sets is compared. Furthermore, illustrate value such beyond simply prediction, they used optimal that minimize cost embodied CO2 impact while satisfying imposed target strengths.

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