Predictive modeling of freezing and thawing of frost-susceptible soils.
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2015-09-01
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Abstract:Frost depth is an essential factor in design of various transportation infrastructures. In frost
susceptible soils, as soils freezes, water migrates through the soil voids below the freezing line
towards the freezing front and causes excessive heave. The excessive heave can cause instability
issues in the structure, therefore predicting the frost depth and resulting frost heave accurately can
play a major role in the design. The objectives of this study are to develop accurate and reliable
models for predicting frost depths and frost heave and to estimate the resulting heave pressure. The
frost depth model was developed and verified using data from MDOT and Minnesota DOT. The frost
heave model was also developed and verified using the available MDOT data.
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