Computer · Soil Mechanics

An unsupported excavation is made to the maximum possible depth in a clay soil having unit weight γ t = 18 kN/m 3 , cohesion C = 100 kN/m 2 , and angle of internal friction φ = 30°. The active earth pressure, according to Rankine's theory, at the base level of the excavation is:

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115.47 kN/m 2

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An unsupported excavation is made to the maximum possible depth in a clay soil having unit weight &gamma; t = 18 kN/m 3 , cohesion C = 100 kN/m 2 , and angle of internal friction &phi; = 30&deg;. The active earth pressure, according to Rankine's theory, at the base level of the excavation is: