Feb 11, 2025 · Hello, I am currently designing concrete drilled piers, and per the geotech report, the recommendations incur a 1600 psf design stress for potential frost heave. The recommendations …

Oct 1, 2025 · Frost depth also tends to presume a bit of "heated building" in the tabulated numbers, so keep that in mind for say, a freezer building, unheated storage, etc.

Jan 13, 2005 · If piles are driven, with a concrete grade beam poured over the pile cap, does the bottom of the grade beam have to be poured below the frost line, or having the piles driven below the frost …

Mar 2, 2022 · Hello all, this is my first post here so please bear with me. Where do you go to find accurate frost depth/line values? At my job, we often have to design footers/foundations rapidly so as …

Oct 21, 2009 · Frost penetration and frost depth effects are really two different animals. As OldestGuy indicated, even in very cold climates, they recognize that footings do not have to go full depth of frost …

Jan 8, 2021 · Frost heave isn't really caused by just the moisture in the soil freezing (and the subsequent small volume increase). It becomes an issue when ice lensing happens. This is when a …

Nov 19, 2008 · I always hear that the footings have to be placed below the frost depth but does that apply to any footing? For a job where the local code indicates frost depth of 42”, all exterior bldg …

Oct 21, 2024 · Hello, What is your opinion regarding the bottom of new foundation for the basement walkout stair? Creating a walkout for the basement will affect the frost line. Should I start counting …

Nov 18, 2024 · If the building is heated there is no need to frost protect interior footings. On the other hand, if the structure is an unheated warehouse, then they should be protected just as exterior …

Mar 5, 2006 · I am designing a thickened edge slab for a garage 28'w x 36'l. I am able to calculate the required thickness but have unique site conditions (clay soil, subject to freeze/thaw (frost) action)and …