Problem $8\mathrm{.}17$ For Problems $8.11$to $8.19,$for the beams and loads given, select stirrup spacings if f c $\text{'}=4000$psi normal $-$ weight concrete and f y t $=60,000$psi$.$ The dead loads shown include beam weights. Do not consider movement of live loads unless specifically requested. Assume # $3$stirrups unless given otherwise. XProblem $8.17$Use # $4$stirrups$.$ Problem $8\mathrm{.}17$ Use $\backslash$#$4$ stirrups.