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en.wikipedia.org/wiki/Frost_line

The frost line—also known as frost depth or freezing depth—is most commonly the depth to which the groundwater in soil is expected to freeze. The frost depth ...

www.decks.com/how-to/264/deck-footing-frost-depth-map

When you excavate your footings you will need to dig below the frost line.This is the depth at which the moisture present in the soil is expected to freeze.

www.innovateus.net/earth-matters/what-frost-line

The depth to which water in soil will freeze in the winter is known as the Frost Line. The depth of the frost line is essential because it influences the construction  ...

diy.stackexchange.com/questions/30324/how-where-can-i-find-out-what-the-frost-line-is-for-my-area

Aug 4, 2013 ... This map shows Frost Line Depth the frost line depth for each state. ... Code states "Frost line depth = 12 inches below undisturbed soil". Search ...

answers.angieslist.com/What-frost-line-relevance-building-digging-q140614.aspx

That is why you go below frost depth (other than to prevent pipes freezing, too) - the ground "swells" with moisture freezing in it so can lift and ...

www.chicagolandconcrete.com/concrete-movement-and-the-frost-line

Dec 1, 2010 ... Wikipedia defines a frost line (also referred to as “frost depth” or “freezing depth”) as “the depth to which the ground water in soil is expected to ...

www.extension.umn.edu/garden/landscaping/implement/deck_footings.html

In order to combat this problem, footings are placed 6 inches below the frost line. The frost line is the maximum depth where the ground will freeze in the winter.

web.mit.edu/parmstr/Public/NRCan/CanBldgDigests/cbd026_e.html

At first, frost heaving of the soil was thought to result from the expansion of water ... The use of "degree-days of freezing" as a guide in calculating frost depth for a ...

www.dictionary.com/browse/frost--line

Frost line definition, the maximum depth at which soil is frozen. See more.