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_a H^2 )
B.	P<sub>a</sub>= H<sup>2</sup>
C.	P<sub>a</sub>=K<sub>a</sub> H<sup>2</sup>
D.	P<sub>a</sub>=K<sub>a</sub> H<sup>2</sup>
Answer» B. P<sub>a</sub>= H<sup>2</sup>

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