Chapter 5 Footing Design - Engineering
For structural members resisting earthquake loads, if the nominal shear strength is less than the shear corresponding to the development of nominal flexural resistance, then; φshear = 0.6 Mn = 61.9 ft-k/ft and the corresponding Vfn = 18.6 k/ft Vc =2 4000(12)(17.5)/1000 = 26.5 k/ft > Vfn = 18.6 k/ft Therefore, the use of φshear = 0.75 above is ...
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