Figure No$.1$ shows a beam with dead and live load and a typical cross$-$section designed for flexure.

a$.$ Draw factored shear diagram for the beam $($live load acts only at the locations shown$).$

b$.$ Design the shear reinforcement for the beam using $f_c^{\text{'}}=4000,f_y=60$ksi, and $f_{yt}=60$ksi. Use $"$U$"$ shaped #$3$ stirrups with $135$ hooks for anchorage.

c$.$ Draw the shear strength diagram over the factored shear diagram and explain your reasoning for each change in shear reinforcernent.

Figure No$.1$