If the backfill carries a uniform surcharge q, then the lateral pressu – McqOptions

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1.	If the backfill carries a uniform surcharge q, then the lateral pressure at the depth of wall H is ____________
A.	p<sub>a</sub>=K<sub>a</sub> z+K<sub>a</sub> q
B.	p<sub>a</sub>=K<sub>a</sub> z-K<sub>a</sub> q
C.	p<sub>a</sub>=K<sub>a</sub> z*K<sub>a</sub> q
D.	p<sub>a</sub>=K<sub>a</sub> z/K<sub>a</sub> q
Answer» B. p<sub>a</sub>=K<sub>a</sub> z-K<sub>a</sub> q

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