Not by calculation, but by observing the depth or level at which moisture in the soil freezes. The term frost line as used in architecture is really a level or depth, that varies with location and it is important that foundations extend to a level well below this, so that frozen water in the soil does not cause the foundation to heave. The term frost line might also be used in weather reports, and would probably mean geographic areas or elevations in mountains, beyond which freezing conditions occur.
Frost line in SLC is 30"in
The set frost line for Maine is 40 to 42 inches. All water lines and foundation footings should be below this depth to prevent damage or breakage.
6" below grade
I live in Carroll County, had a 6ft cedar fence put in and they went down 2ft. Hope this helps someone.
Frost on the grass in autumn is an example of
frost line in Gwinnett
no Frost
The frost line i Michigan measures about 42 inches.
Frost line in SLC is 30"in
The frost line in the state of West Virginia is about 30 inches. This is the depth that frost can penetrate the soil.
What is the frost line depth in louisville Kentucky
what do you mean by frost line frost will penetrate up to three feet in the dead of winter if that is what you are asking.
24" will cover all of TN
Well, there more then one frost line in Illinois: 1) 10" to 20" for Southern Illinois 2) 15" to 30" for Central Illinois (frost line for Peoria) 3) 20" to 35" for Northern Illinois
The frost depth level below area's usually not less than 800 mm .
The frost line lies between Mars and Jupiter at 3.5 AU from the sun
frost line in pa is 42 inches