Abstract
One-dimensional frost heave testing of soil samples of differing composition (Devon silt and the fines generated from the abrasion of an aggregate) demonstrates a contradictory assessment of their frost heave susceptibility based on the rate of segregation heave and the segregation potential (SP). Specifically, the rate of segregation heave is representative of the frost heave susceptibility during transient conditions, whereas the SP is an indicator of the frost heave susceptibility under steady state conditions. The contradiction between these two measures is due to the transient conditions that result from the differing thermal conductivity of the soils. Limitations of frost susceptibility criteria are discussed in light of these results.
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