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Question 2 A gravity retaining wall is shown in figure. Use Rankine active earth pressure theory. Determine: a. The factor of safety against overturning b. The factor of safety against sliding c. The factor of safety for bearing capacity d. The pressure on the soil at the toe and heel Assume, Yconcrete = 24 kN/m. Also, consider the weight of the soil behind the wall and consider the passive earth pressure. 1.5 m Y = 22 kN/m P2 = 24 c' = 45 kN/m 0.4 m 0.45 m 2 0.65 m 3 5 1.4 m 7 0.55 m 4.4 m 0.7 m a = 25 Y = 17 kN/m P = 29 c' = 0