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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 …

  2. "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 …

  3. Frost Line for Grade Beam with Piles | Eng-Tips

    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 …

  4. 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 …

  5. 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 …

  6. Frost Penetration and Movement | Eng-Tips

    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 …

  7. retaining wall - frost depth | Eng-Tips

    Apr 5, 2011 · In reality the frost depth is a little less directly below the wall, but I wouldn't count on it. If you're trying to avoid sinking the wall deeper, consider laying insulation board over the toe …

  8. frost depth additonal depth? | Eng-Tips

    Nov 14, 2016 · I don't normally have projects in the north. is there anything I should add to this frost depth? say most cities in Arkansas, it's only 10" below of footing right?

  9. 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 …

  10. Slab on grade -thickened edge subject to frost | Eng-Tips

    Mar 3, 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) …