
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 …
"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 case the soil …
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 having inadequate …
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 …
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 …
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) action)and …
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 …
Frost box? | Eng-Tips
Aug 7, 2008 · A "Frost box" is probably a term for a variation (enhancement) of the sheet insulation over the pipe, where vertical insulation is placed along the pipe to better protect the pipe & contain the heat.
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 …
Frost Protection on AHU Unit with Plate Heat Exchanger Heat Recovery ...
Apr 2, 2006 · I am designing a 100%OA system where frost protection (35%glycol) will be running through heating coil (AHU unit has Plate heat exchanger). Winter outdoor temperature is -7 C. My …