April 28 Daily Question: Bearing Capacity Factor of Safety

NCEES Civil PE Specification IV.K.: Footings


Problem

A 12 ft square spread footing is bearing on dense clayey soil and subject to the following loads:

Total Vertical Load: $$ P = 300 kip $$

(includes weight of footing and overburden)


Total Overturning Moment: $$ M_o = 700 kip-ft $$

Given a net bearing capacity of 15 ksf, determine the factor of safety against bearing failure:
 

Select an Answer: