An excavation is made with a vertical face in a clay soil which has Cu – McqOptions

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1.	An excavation is made with a vertical face in a clay soil which has Cu = 50 kN/m2, γt = 18 kN/m3 and sn = 0.261. The maximum depth of a stable excavation will be nearly
A.	10.6 m
B.	12.4 m
C.	14.2 m
D.	16.0 m
Answer» B. 12.4 m

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