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0243 Heaving of Deck Piers - Structure Structural Foundation - Problems - Image Text: Cross section > without the insulating effect of snow on the ground under the deck, the frost depth can be much greater (enough to heave the deck piers if the soil is susceptible and enough moisture is present) > perspective > foundation wall > snow > deck > little or no snow below deck > concrete deck pier > frost heave > snow > frost line |
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