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A retaining wall is shown in Figure 4. Given that; H = 9m, H1 = 4,...

A retaining wall is shown in Figure 4. Given that; H = 9m, H1 = 4, ƴ1 = 16.5KN/m3, ƴ2 = 20.2 KN/m3, Ø’1 = 30, Ø’2 = 34 and q = 21KN/m2. Determine the Rankine active force, Pa, per unit length of the wall and the location of the resultant.

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