5. Consider the wall shown below. Dimensions are in meters.

0.5

sand

' = 37

1K

0.5

A. Determine the active force acting on the wall. Circle your answer. Ans. 35.8 kN/m

B. Determine the FS for sliding. Circle your answer. Ans. 2.80

C. Determine the FS for overturning. Circle your answer. Ans. 1.91

D. Determine the FS for overturning if a row of tiebacks is placed 2 meters below the backfill's ground surface. Tieback spacing is 3 meters. The capacity of

each tieback is 40 kN. Circle your answer. Ans. 2.47