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Why Does The Ground Heave When Freezing? [Solved]

Frost heaves result from a combination of cold air and adequate soil moisture. As the cold sinks to the ground, water within the soil starts to freeze. Any additional moisture, such as water from the soil defrosting and the ice melting, is drawn upward, which also freezes.

Freezing ground / frost-heaving simulation

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Ice lensing: how frost heaving works

http://woodgears.ca/cottage/

Frost Heave and How to Avoid it | Mr. Fence Academy

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