Neglecting Passive Pressure in Frost Depth
Neglecting Passive Pressure in Frost Depth
(OP)
When calculating the passive resistance of the soil below the frost depth is it proper to consider the passive pressure based on the actual depth or should the passive pressure be calculated on the actual depth minus the frost depth?
For example if the frost depth is 2' and my passive pressure is 200 psf/ft. Does my passive pressure below the frost line begin at 400 psf and the triangular pressure area above is ignored or does it begin at 0 and I begin a triangular pressure curve from there?
For example if the frost depth is 2' and my passive pressure is 200 psf/ft. Does my passive pressure below the frost line begin at 400 psf and the triangular pressure area above is ignored or does it begin at 0 and I begin a triangular pressure curve from there?





RE: Neglecting Passive Pressure in Frost Depth
RE: Neglecting Passive Pressure in Frost Depth
f-d
¡papá gordo ain't no madre flaca!
RE: Neglecting Passive Pressure in Frost Depth
Of course, if there is a chance that the top two feet will actually be excavated, the pressure diagram will be reduced by 400 psf.
RE: Neglecting Passive Pressure in Frost Depth