Jun 4, 2008 · If you are referring to non-frost susceptible (NFS) material, the definition is a soil that contains no more than 3% by weight finer than 0.02 mm. A #200 sieve is generally used …

Mar 12, 2018 · What is the reason you need this? If you are afraid of frost heave for foundations, there may be the code, whether right or wrong. If you have relatively clean sand, likely no frost …

Mar 7, 2008 · In freeze areas, provide a deep enough foundation underneath to avoid frost heave and the resulting jamming of the door as it tries to open. Upvote 0 Downvote Mar 7, 2008

Apr 5, 2008 · I agree that "bottom of footing" is the standard in regards to frost depth. A note on JAE's comment-I don't agree the 42" footing depth versus an "average" frost depth of 26" is …

Feb 2, 2004 · Leonards gives presumptive bearing capacities for "Soft Rock, Sedimentary Layered rock (hard shale, Sandstone and Siltstone)20,000-30,000 psf. That being said, the …

Dec 4, 2002 · For example snow covered ground will have musch less frost penetration than an area kept clear of snow. The depth the frost will penetrate below the insulating layer depends …

Dec 21, 2012 · No, frost depth is not always required if what you are supporting can withstand the movement. However, for most pipe racks we have designed we have gone to frost depth. …

Jan 10, 2018 · I view frost as an "infinite" force. If conditions are right for it to form, it can lift just about anything. I don't know of any calculation that will give frost pressure. I've seen published …

Aug 7, 2008 · the depth of frost penetration depends on a lot of things. One factor is the presence of water in the soil. As that material is at 32 degrees, it gives off heat of fusion. That heat …

Mar 31, 2004 · Im doing a job where the outsdie design temperature is -5 deg C. Obviously to protect the AHU cooling coil, the design drawings show a medium temp hot waer preheat coil …