Given:
pretensioned rectangular beam
b=6"
h=20"
f'c=4000psi
f'ci=3000psi
fti=.165ksi
fts=.38ksi
fci=1.8ksi
fcs=1.8ksi
R=0.80
Required:
(a)Pi and e to maximize Md+Ml without exceeding stress limits.
(b)Uniformly distributed load that can be carried on a 30ft span"