"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 …
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 …
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 …
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 full depth of frost …
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 below the frost …
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 …
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 …
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 …
Retaining Wall Frost Protection | Eng-Tips
Feb 24, 2009 · I am looking to see if there are any requirements for providing frost protection for isolated retaining walls. I can only find requirements in the IBC for foundations and footings however, I’m not …
Frost line consideration for walkout basement | Eng-Tips
Oct 21, 2024 · Hello, What is your opinion regarding the bottom of new foundation for the basement walkout stair? Creating a walkout for the basement will affect the frost line. Should I start counting …