For a beam with stirrup hooks, the free end of the bar must…
For a beam with stirrup hooks, the free end of the bar must extend at least _____ from the hook. Assume b1 = 29 in., b2 = 14 in., d1 = 6 in., d2 = 19 in., and that there are three No. 7 longitudinal tension bars and No. 3 stirrups at 9 in. o.c. The stirrup hooks are 90°.