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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. 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 heavy …

  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. Frost protection - void form thickness design | Eng-Tips

    May 24, 2009 · Hi all, this may be old to someone but i need your input on frost heave design for my foundation. I'm designing an unheated structural slab supported on piles. Design depth of frost …

  5. Frost protection of foundations | Eng-Tips

    Aug 10, 2015 · Frost depth in busy roads, normal winter 5-7 feet, residential roads 46 feet in the yards adjacent to both roads, 2-3 feet. And yes when I was there we installed and repaired sewer pipes all …

  6. Frost susceptibility of pile supported foundations | Eng-Tips

    Feb 26, 2003 · Hi All, Does anyone have any thoughts on the frost susceptibility of pile supported foundations? Specifically, I'm dealing with an H-pile supported bridge abutment. Our state agency …

  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. Cantilever Retaining Wall Frost Depth | Eng-Tips

    Mar 6, 2019 · Frost penetrates deeper when the wall is not adjacent to a heated space, so frost depth outside the wall of a heated building will be shallower than a retaining wall in an open field.

  9. 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 …

  10. 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 …