Frost heaving

results from ice forming beneath the surface of soil during freezing conditions

Frost heaving is the lifting of frozen soil, caused by water rising from below to the level in the soil where it freezes, accumulates as ice, and pushes the soil above it upwards.[1]

Ice lens formation resulting in frost heave in cold climates.
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References

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  1. Taber, Stephen (1930). "The mechanics of frost heaving". Journal of Geology. 38 (4): 303–317. Bibcode:1930JG.....38..303T. doi:10.1086/623720. S2CID 129655820. Archived from the original (PDF) on 2013-04-08. Retrieved 2017-07-14.