Plot the tendon force variation graph using excel sheet A four$-$span post$-$tensioned one$-$way floor slab is described in Fig. $2-30.$ The tendons are stressed from both ends and the stressing procedure is: jack to $80\%$ of the ultimate tensile strength $($UTS$),$ release to $60\%$ UTS, rejack to $70\%$ UTS, and anchor. Assuming that $/$L $==0\mathrm{.}25,$ K $=0\mathrm{.}0015/$ft $(0\mathrm{.}005/$m$),$ calculate $($a$)$ the tendon force at $1\mathrm{.}44,2\mathrm{.}0,2\mathrm{.}5,$ and $3\mathrm{.}0$ and $($b$)$ the average tendon force in each span. Express the forces as a ratio of the UTS of the tendon. Assume that the anchor set is negligibly small. parabolic segments $1\mathrm{.}5$ ft $3$ in$.1\mathrm{.}5$ ft $(0\mathrm{.}46$ m$)(76$ mm$)(0\mathrm{.}46$ m$)2\mathrm{.}5$ in$.(4\mathrm{.}27$ m$)$ centerline $1\mathrm{.}03$ in$.(76$ mm$)9$ in$.(229$ mm$)3$ in$.(76$ mm$)1\mathrm{.}01\mathrm{.}442\mathrm{.}02\mathrm{.}5!3\mathrm{.}0414$ ft $18$ ft $(64$ mm$)(5\mathrm{.}49$ m$)16$ ft $16$ ft $(4\mathrm{.}88$ m$)(4\mathrm{.}88$ m$)$