Feb 10, 2007 · I agree that "bottom of footing" is the standard in regards to frost depth. A note on JAE's comment-I don't agree the 42" footing depth versus an "average" frost depth of 26" is …

Mar 1, 2022 · to frost shall have the thickness of such a layer included in meeting the design frost depth defined in Section 3.2. Undisturbed granular soils or fill material with less than 6% of …

Nov 3, 2015 · Frost depth is an aspect of the majority of foundation design that I do, but thinking about it, I realize I'm not sure how the actual frost depth is determined. I see STP1358, …

Jan 10, 2018 · I view frost as an "infinite" force. If conditions are right for it to form, it can lift just about anything. I don't know of any calculation that will give frost pressure. I've seen published …

Aug 7, 2008 · the depth of frost penetration depends on a lot of things. One factor is the presence of water in the soil. As that material is at 32 degrees, it gives off heat of fusion. That heat …

Aug 30, 2017 · So, the frost depth say 6 ft specified at local code may occur at outside of insulated SOG, but the frost depth below SOG will be around just one ft. I want to add that, if …

Mar 9, 2009 · If the soil is non-frost susceptible (meaning that there is no significant change in volume (i.e., water freezing), you can put footings down fairly shallow (I did this in northern …

Nov 18, 2024 · In these cases, what I've seen most commonly is to prepare some depth of the subgrade using non-frost susceptible materials and place 4" - 6" of XPS insulation below the …

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Aug 31, 2015 · Constructing a "frost wall" does nothing for the area under the slab if that zone goes below 32 degrees F. Concrete is a good conductor of heat out of the area under the slab. …