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Determine the total force per unit length acting on a 4.8 m high retaining wall. The...

Determine the total force per unit length acting on a 4.8 m high retaining wall. The soil that is backfilled level behind the wall is a granular soil with a total unit weight of 18.2 kN/m3 and a saturated unit weight of 19.6 kN/m3. Use an at-rest earth pressure coefficient for the soil which has an internal angle of friction of 26 degrees. The water table is expected to rest at a depth of 1.5 below the ground surface. Report your answer in terms of kN as a whole number.

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