The resultant active pressure per unit length of wall for dry backfill – McqOptions

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1.	The resultant active pressure per unit length of wall for dry backfill with no surcharge is _______
A.	\(P_a=\frac{1}{2}K_aγH^2\)
B.	Pₐ=γH²
C.	Pₐ=Kₐ γH²
D.	Pₐ=Kₐ H²
Answer» B. Pₐ=γH²

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