2018年1月10日 · 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 …

2024年11月3日 · OK, plenty of advice. However,the so called "frost depth" commonly is something people have found is the depth you go to to avoid heaving. However, frost having …

2013年11月14日 · Here a number of codes do define "frost depth" as required foundation depth for outside walls. However, that "frost depth" can vary considerably, depending on moisture …

2009年3月9日 · If the soil is non-frost susceptible (meaning that there is no significant change in volume (i.e., water freezing), you can put footings down fairly shallow (I did this in northern …

2022年3月1日 · to frost shall have the thickness of such a layer included in meeting the design frost depth defined in Section 3.2. Undisturbed granular soils or fill material with less than 6% …

2024年11月18日 · In these cases, what I've seen most commonly is to prepare some depth of the subgrade using non-frost susceptible materials and place 4" - 6" of XPS insulation below the …

2001年10月16日 · In my locale, frost can penetrate six to eight feet below grade in an open area. Insulation below the footings can prevent frost penetration, but it must extend laterally in all …

2007年2月10日 · 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 …

2015年8月31日 · Constructing a "frost wall" does nothing for the area under the slab if that zone goes below 32 degrees F. Concrete is a good conductor of heat out of the area under the slab. …

2013年1月14日 · Remember also how frost travels. As below freezing temps contact moisture,the moisture gives up heat, slowing the progress of freezing. So, where you have sandy soil, it can …