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Retaining wall factors of safety

Retaining wall factors of safety

Retaining wall factors of safety

(OP)
A question for the geotechnicals:
As a structural engineer, I typically design retaining walls with a 1.5 factor of safety for sliding.  When allowable friction and allowable passive pressure values are given in a soils report, do these already have a safety factor built in (as in allowable stresses), or are they ultimate values?  I want to know if I have been doubling up on the safety factor!

RE: Retaining wall factors of safety

Generally, the term permissible means that the FoS (whatever it is) will already be included.

Andy Machon

 
 

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