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 to get them to a costumer for the purposes of an estimate. Because everything needs done ASAP, contacting...
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, "Remote Field Methods to Measure Frost Depth" (from the ASTM website) outlines several ways that frost depth can be...
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 line complies with placing foundations below the frost line.
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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 also state that placing friction reducing material can be considered as an alternate option to prevent damage...
It's the same concept as using horizontally projected insulation as a building apron for shallow frost protected footings. That said, you may give consideration to adding insulation or other frost protective measures at the perimeter, where there is a greater chance for frost penetration.