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Adobe Acrobat

A simply supported rectangular concrete beam shown in Figure is $16$ in $.$ wide and has an effective depth of $25$ in $.$ The beam supports a total factored load $($wu$)$ of $11\mathrm{.}5$kip$\frac{s}{f}t$ on a clear span of $20$ ft $.$ The given load includes the weight of the beam. Design the web reinforcement. Use $f^{\text{'}}c=4000$ psi and $fy=60,000$ psi.