Determine the maximum pressure at the base of the wall, Civil Engineering

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A masonry retaining wall of trapezoidal section with the vertical face on the earth side is 1.5 m wide at the top and 3.5 m wide at the base and is 5.0 m high. It retains a sand fill sloping at 2 horizontal to 1 vertical. The unit weight of sand is 18 kN/m2 and φ = 30°.

Determine the maximum and minimum pressure at the base of the wall supposes the unit weight of masonry as 23 kN/m3.

 


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