Abstract
AbstractPrediction 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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