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  1. 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 recommendations …

  2. 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.

  3. Frost depth for turndown slab | Eng-Tips

    Jul 30, 2010 · I have virtually an unheated metal shack. It will sit on a slab on grade with a turndown. Is is necessary for the turndown to bear below the frost depth? In my mind, only unheated bearing …

  4. 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 rapidly so as …

  5. Preheat coil on AHU - cold climate | Eng-Tips

    Mar 31, 2004 · The "frost thermostat" you mention is commonly called a freezestat. It is normally an averaging sensor installed downstream of the preheat coil, and it is wired into the fan control circuit …

  6. When to Go Down to the Frost Depth | Eng-Tips

    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 …

  7. Frost Protection for Interior Footings | Eng-Tips

    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 …

  8. Frost depth consideration in existing rock layer | Eng-Tips

    Feb 2, 2004 · If I propose to install a strip footing of reinf. concrete for live and dead loads such that design allowable soil bearing capacity is 8000 psf ...do i have to be concerned about the fact that the …

  9. Highway culvert settlement (frost heave) | Eng-Tips

    Feb 9, 2001 · As a result of installing a centreline culvert in an existing highway the culvert appears to have settled, however from further investigation it was discovered that the moisture in the existing …

  10. Frost heave in saturated gravel below foundation | Eng-Tips

    Nov 18, 2024 · Given that the gravel will most likely always be saturated with water at least 30 cm below the surface, what sort of frost heave should I expect? I understand that gravel is typically considered …