For Problems $16\mathrm{.}33$ through $16\mathrm{.}39,$ use influence lines to determine the requested quantities for a uniform dead load of $1\mathrm{.}5$ klf$,$ a moving uniform live load of $2\mathrm{.}5$ klf$,$ and a moving concentrated live load of $25$ k$.$P$16\mathrm{.}37$ Find the maximum upward reactions at A and $D$ and the maximum positive moment at section $1-1.($Ans: $R_{Ay}=75k,M_{1-1}=487\mathrm{.}5k*ft)$

Moment

Problem $16\mathrm{.}37$