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- Can foundation weight allow avoidance of frost depth? | Eng-Tips
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 foundation (while still below the allowable bearing capacity of the soil) eliminate the need to go below the 42"
- Drilled Pier Frost Heave | Eng-Tips
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 also state that placing friction reducing material can be considered as an alternate option to prevent damage
- Frost protection - void form thickness design | Eng-Tips
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 penetration is 2700mm from soil report I'm going to use Dow ethaform void form but i dont know how to calculate
- Slab on grade -thickened edge subject to frost | Eng-Tips
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 am looking for additional design considerations criteria any help?
- Frost Protection for Interior Footings | Eng-Tips
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 footings are Thanks for the response
- Frost line consideration for walkout basement | Eng-Tips
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 the required 36" from the bottom of the stairs? In addition, the existing house foundation should not be
- Can flow fill (CLSM) be used as a fill material to meet frost . . .
I have an equipment foundation that needs to be frost protected In this case, the frost depth is 48" In section 4 2 of ASCE 32 it states, "Foundations placed on a layer of well-drained, undisturbed ground or fill material that is not susceptible to frost shall have the thickness of such a
- When to Go Down to the Frost Depth | Eng-Tips
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 footings are placed at that depth but when it comes to the exterior stairs, they only go down 18” only!! The
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