Determine the transverse reinforcement index, Ktr, for a rec…

Determine the transverse reinforcement index, Ktr, for a rectangular beam with b = 18 in. and d = 24 in., five galvanized No. 7 Grade 60 tension-reinforcement bars placed in the top of the beam, and No. 3 Grade 40 stirrups located every 8 in. along the span. Assume 4,000-psi lightweight concrete and a clear cover of 1.5 in.

Determine the epoxy modification factor, ψe, for a rectangul…

Determine the epoxy modification factor, ψe, for a rectangular beam with b = 16 in. and d = 20 in., five uncoated No. 6 Grade 60 tension-reinforcement bars placed in the bottom of the beam, and No. 4 Grade 60 stirrups located every 6 in. along the span. Assume 6,000-psi lightweight concrete and a clear cover of 1.5 in.