RCC Structures Design
If p1 is the vertical intensity of pressure at a depth h on a block of earth weighing w per unit volume and the angle of repose φ, the lateral intensity of pressure p2 is

wh (1 - sin φ)/(1 + sin φ)
wh (1 - tan φ)/(1 + tan φ)
w (1 - cos φ)/h (1 + sin φ)
wh (1 - cos φ)/(1 + sin φ)

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