In Problems P10.13, take advantage of symmetry to simplify the analysis by slope deflection.P10.13. Figure P10.13 shows the forces exerted by the soil pressure on a typical \(1-\mathrm{ft}\) length of a concrete tunnel as well as the design load acting on the top slab. Assume that a fixed-end condition at the bottom of the walls at \(A\) and \(D\) is produced by the connection to the foundation mat. Determine the member end moments and draw the shear and moment curves. Also draw the deflected shape. \(E I\) is constant.

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800 lb/ft L2+ B 200 lb/ft 14' C D ++2+ 800 lb/ft 16'