
"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 …
Frost Heave Calculation | Eng-Tips
Jan 10, 2018 · Frost heave can easily be several inches in northern states with frost-susceptible (silty) soils and a shallow water table or just poor drainage. On the other hand, dry, clean, …
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 …
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 …
How is frost depth determined / calculated? | Eng-Tips
Dec 17, 2018 · If frost depth is determined for a county, how many tests do they perform before the county is satisfied with their estimate of frost depth? Is climate change taken into account …
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 …
Exterior Large Equipment Pad with deep frost depths | Eng-Tips
Jan 7, 2021 · Frost heave isn't really caused by just the moisture in the soil freezing (and the subsequent small volume increase). It becomes an issue when ice lensing happens. This is …
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 …
Frost depth consideration in existing rock layer | Eng-Tips
Feb 2, 2004 · If I propose to install a strip footing of reinf. concrete for live and dead loads such that design allowable soil bearing capacity is 8000 psf ...do i have to be concerned about the …
Stoops | Eng-Tips
Mar 7, 2008 · Stoops are any sort of entrance entity that is situated adjacent to building exits. They serve two main purposes: 1. Provide proper surfaces to exit on, such as a landing, …