Does anyone know if the code has stipulations for a concrete slab with a signifigant void in the center with reguards to steel reinforcement? for example: I am trying to design the reinforcement for a 31'x25'x8" elevated slab with a 5'x5' opening in the center supported by concrete beams on all...
What is the best way to estimate the shear strength of a peticular wood truss? I have been able to backwork span tables to find moment strength, but is there some sort of rule of thumb for max shear?