A slope is to be constructed at an inclination of 30° with the horiz – McqOptions

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1.	A slope is to be constructed at an inclination of 30° with the horizontal. What will be the safe height of the slope at factor of safety of 1.5? The soil has the properties: c = 15 k N/m2, φ=22.5° and γ = 19 k N/m3.
A.	11.5
B.	20.5
C.	12
D.	18.64
Answer» B. 20.5

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