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A 10 ft wall retains soil with a horizontal surface that has 115 pcf unit weight,...

A 10 ft wall retains soil with a horizontal surface that has 115 pcf unit weight, a friction angle of 26 degrees, and an effective cohesion c’= 50 psf. The water table is at 5ft depth. Assuming Rankine active lateral earth pressures and hydrostatic conditions, what is the total horizontal thrust that the wall feels

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