It is so cold up there that the frost 'heaves' it.
"Dotty Dimple Out West" by Sophie May
Also, frosts may have heaved individual stones or disintegrated bricks so they must be reset.
"If You're Going to Live in the Country" by Thomas H. Ormsbee and Richmond Huntley
The October winds, tossing the late oats and the frosted heather, were lashing the Otter sea into heaving waves and flakes of foam.
"Girlhood and Womanhood" by Sarah Tytler
Opposition assists in the development of principles, as alternate frosts and heats in spring heave and loosen the soil.
"Father Brighthopes" by John Townsend Trowbridge
Then, perhaps you remember that the middle was heaved up and cracked to pieces by the frost.
"Olof Krarer, The Esquimaux Lady" by Olof Krarer
Palin ratings bump on "Today" — like a frost heave .
TenCate Mirafi® H2Ri stabilization and reinforcement geosynthetic for roadways and other applications mitigates differential settlement problems caused by frost heaves and other factors.
He is now a member of the Vermont Frost Heaves.