I've got a short concrete cantilever 3" lg. x 1' deep. The cantilever is from a slab on grade that will extend over a conveyor pit and support a traffic plate. What is the appropriate way to check the cantilever? Should I check shear from a shear friction standpoint (corbel) Vu=Av*Fy*u? or should I check it as beam shear Vc=2*(f'c)^.5*bw*d? Can I incorporate both for capacity?
Also what are your thoughts on the width of the "beam section (bw)", I am considering a 2' beam width since the traffic plate is 2'wide.
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