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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.

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.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  ...

www.weather.gov/ncrfc/LMI_SoilTemperatureDepthMaps

Soil Temperature and Frost Depth Maps. Knowing the temperature of the soil is important for many activities including agriculture, horticulture, construction, and ...

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

How/where can I find out what the frost-line is for my area? ... **NOTE***** This is how deep your footings would be in undisturbed soil. So for ...

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.familyhandyman.com/decks/building-a-deck/how-to-build-a-solid-frostproof-deck-footing/view-all

Dig and pour your deck footings so they extend below the frost line. That way, they won't move, or heave, as the ground freezes and thaws during seasonal ...

climate.missouri.edu/news/arc/feb2010.php

Many factors such as air temperature, snow cover, ground cover, soil type, soil moisture etc. will determine how deep the frost line penetrates but some long term ...

www.plumbinghelp.ca/frost-line-depth-north-america

In this article, we will cover the Frost Line Depth in North America. Frost Depth or Freezing Depth is the maximum depth within the soil, where groundwater is ...