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Machine Learning Can Predict Setting Behavior and Strength Evolution of Hydrating Cement Systems

Published

Author(s)

Tandre Oey, Scott Jones, Jeffrey W. Bullard, Gaurav Sant

Abstract

Setting and strength development of ordinary portland cement (OPC) binders is a complex process that involves multiple interacting chemical reactions, which result in the formation of a solid microstructure. A long-standing yet elusive goal of the cementitious materials community has been to establish a basis for prediction of the properties and performance of concrete using knowledge of the chemical and physical attributes of its components - cement, sand, stone, water, and chemical admixtures - together with the environmental conditions under which they react. Machine learning provides a data-driven basis for the estimation of properties, and has recently been applied to estimate the 28 d (compressive) strength of concrete simply from knowledge of its mixture proportions [1]. Building on this success, the current work employs a diverse dataset of different ASTM C150 cements, the chemical composition and other attributes of which have been measured. Machine learning (ML) estimators were trained with this dataset to estimate both setting time and strength development as a function of the OPC composition and fineness. The ML estimation errors are similar to or lower than the errors inherent to typical measurements carried out following ASTM standards. As such, ML provides a basis to estimate the influence of binder composition and fineness on the engineering properties of cementitious systems. This creates new opportunities to apply data intensive methods to optimize concrete formulations under multiple constraints of cost, CO2 impact, and performance attributes.
Citation
Journal of the American Ceramic Society

Keywords

cement composition, fineness, strength, setting, machine learning

Citation

Oey, T. , Jones, S. , Bullard, J. and Sant, G. (2019), Machine Learning Can Predict Setting Behavior and Strength Evolution of Hydrating Cement Systems, Journal of the American Ceramic Society, [online], https://doi.org/10.1111/jace.16706, https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=927676 (Accessed October 4, 2022)
Created July 24, 2019, Updated October 12, 2021