Determine the epoxy modification factor, ψe, for a rectangul…
Determine the epoxy modification factor, ψe, for a rectangular beam with b = 18 in. and d = 24 in., five epoxy-coated No. 8 Grade 60 tension-reinforcement bars placed in the bottom of the beam, and No. 4 Grade 40 stirrups located every 10 in. along the span. Assume 8,000-psi normal-weight concrete and a clear cover of 2 in.