Refer to Fig. 10.14, where a 6-m-high vertical wall retains an elastic soil mass. If a line load of 10 kN/m is applied at a horizontal distance of (a) 1 m and (b) 4 m from the wall, plot the...

Refer to Fig. 10.14, where a 6-m-high vertical wall retains an elastic soil mass. If a line load of 10 kN/m is applied at a horizontal distance of (a) 1 m and (b) 4 m from the wall, plot the distribution of lateral pressures on the wall. What are the maximum values for σ′h?