A 5 m high retaining wall having a smooth vertical back face retain a layered horizontal backfill. Top 2 m thick layer of the backfill is sand having an angle of internal friction, = 30° while the bottom layer is 3 m thick clay with cohesion, c = 30 kPa. Assume unit weight of sand and clay as 20 and 18 kN/m³, respectively. The total passive earth pressure per unit length of the wall is kN/m.

Structural Analysis
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Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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A 5 m high retaining wall having a smooth vertical back face retain a layered horizontal backfill. Top 2 m thick layer of the backfill is
sand having an angle of internal friction, O = 30° while the bottom layer is 3 m thick clay with cohesion, c = 30 kPa. Assume unit weight
of sand and clay as 20 and 18 kN/m³, respectively. The total passive earth pressure per unit length of the wall is,
kN/m.
Transcribed Image Text:A 5 m high retaining wall having a smooth vertical back face retain a layered horizontal backfill. Top 2 m thick layer of the backfill is sand having an angle of internal friction, O = 30° while the bottom layer is 3 m thick clay with cohesion, c = 30 kPa. Assume unit weight of sand and clay as 20 and 18 kN/m³, respectively. The total passive earth pressure per unit length of the wall is, kN/m.
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