
"Top" or "Bottom" of Footing? | Eng-Tips
Apr 5, 2008 · Frost depth always has been and should be to the bottom of the footing. You are trying to avoid a condition where frost occurs in the soil directly under a footing and in which …
Drilled Pier Frost Heave | Eng-Tips
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 …
Stoops | Eng-Tips
Mar 7, 2008 · Stoops are any sort of entrance entity that is situated adjacent to building exits. They serve two main purposes: 1. Provide proper surfaces to exit on, such as a landing, …
Frost Heave Calculation | Eng-Tips
Jan 10, 2018 · Frost heave can easily be several inches in northern states with frost-susceptible (silty) soils and a shallow water table or just poor drainage. On the other hand, dry, clean, …
Can foundation weight allow avoidance of frost depth? | Eng-Tips
Mar 3, 2011 · A contractor is suggesting the use of 1ft deep, very wide concrete slab to support heavy rotating equipment. The local jurisdiction has a required frost depth 42in. Can a very …
Which soils are most susceptible to frost heaving? | Eng-Tips
Feb 17, 2007 · However there is still some potential for frost heave, especially of there are variations in the soil. As mentioned in the other thread, would be best to insulate footings …
Exterior Large Equipment Pad with deep frost depths | Eng-Tips
Jan 7, 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 …
Crushed stone size limitation for non-expansive frostfree fill
Jun 4, 2008 · Hi, Guys, Need help here. I remember there was a thread before, which discusses about the crushed stone size for use as non-expansive frostfree fill. But I...
Sources for Frost Depth Values | Eng-Tips
Mar 1, 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 …
Frost Depth | Eng-Tips
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.