Extended Strength Development Model of Cement-Treated Clay
Publication: Journal of Geotechnical and Geoenvironmental Engineering
Volume 142, Issue 2
Abstract
Cement stabilization is a well-established technique involving the addition of cement to increase shear strength of soft soils. Studies on the prediction of cement-treated slurry clay generally do not cover a comprehensive suite of experiments to develop a more in-depth strength-development model, and applicability is often limited to their specific database. This paper presents a large database of unconfined compressive strength tests of cement-treated marine clay over a wide range of mix ratios and curing ages. An improved predictive strength-development model is proposed that considers the effect of mix proportions and curing duration. The actual and predicted strength values are found to agree with a correlation coefficient of 0.997. The model is also shown to be applicable to several clay and cement types; the good fit to experimental data is indicated by correlation coefficients exceeding 0.95, which is superior to existing classic prediction models.
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Published In
Journal of Geotechnical and Geoenvironmental Engineering
Volume 142 • Issue 2 • February 2016
Copyright
© 2015 American Society of Civil Engineers.
History
Received: Nov 25, 2014
Accepted: Jul 7, 2015
Published online: Aug 12, 2015
Discussion open until: Jan 12, 2016
Published in print: Feb 1, 2016
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