Factors of safety
Factors of safety
(OP)
What would a negative factor of safety for a slope signify?
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RE: Factors of safety
RE: Factors of safety
im being told by colleague that the negative has no significance and that i should simply ignore the negative sign. what do think of this? im not completely convinced
in my case, im using fos= restoring moment/disturbing moment
and im getting a negative restoring moment due to the water pressure being more than the weight of the slices
does this not mean that the restoring moment is acting in the opposite direction(same direction as the disturbing moment) and that what i have is basically, disturbing moment/disturbing moment? and a very unstable slope?
thanks
RE: Factors of safety
RE: Factors of safety
I'm puzzled as to how the water pressure can exceed the weight of the slice, assuming you are putting the TOTAL unit weight in for the soil.
Can you post a sketch?