Undrained Pore Pressure Prediction in Clayey Soil under Cyclic Loading
Publication: International Journal of Geomechanics
Volume 15, Issue 5
Abstract
Prediction of pore-water pressure is important for understanding the behavior of soils under both static and cyclic loading and also for estimation of their effective stresses. Undrained cyclic pore pressure models available in the literature are for some typical soils and are hardly applicable for other soils. In this paper, a generalized hyperbolic model for prediction of undrained pore-water pressure has been proposed as a function of cyclic stress ratio, frequency, and plasticity of soils using data reported by a number of researchers. The proposed model has been validated by a chi-square goodness-of-fit test. The correlation between the predicted and measured pore pressure ratio at various confining pressure regimes has also been statistically examined to discern the model. The model output has been found to be correlated to an extent of up to 85% with the literature data.
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Acknowledgments
The first author gratefully acknowledges the financial assistance of the Council of Scientific and Industrial Research (CSIR), India, through the Senior Research Fellowship during the period 2012–2013 vide grant No. 09/096 (0724) 2k12-EMR-I.
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Published In
International Journal of Geomechanics
Volume 15 • Issue 5 • October 2015
Copyright
© 2014 American Society of Civil Engineers.
History
Received: Nov 30, 2012
Accepted: Jun 6, 2014
Published online: Jul 7, 2014
Published in print: Oct 1, 2015
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