For the different value of , the backfill is partly submerged to heig – McqOptions

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1.	For the different value of , the backfill is partly submerged to height H2 and the backfill is moist to a depth H1. Find the lateral pressure intensity at the base of wall for 1> 2.
A.	p<sub>a</sub>=K<sub>a2</sub> H<sub>1</sub>-K<sub>a2</sub> H<sub>2</sub>+ <sub>w</sub> H<sub>2</sub>
B.	p<sub>a</sub>=K<sub>a2</sub> H<sub>1</sub>+K<sub>a2</sub> H<sub>2</sub>+ <sub>w</sub> H<sub>2</sub>
C.	p<sub>a</sub>=K<sub>a2</sub> H<sub>1</sub>+ <sub>w</sub> H<sub>2</sub>
D.	p<sub>a</sub>=K<sub>a2</sub> H<sub>1</sub>+K<sub>a2</sub> H<sub>2</sub>
Answer» C. p<sub>a</sub>=K<sub>a2</sub> H<sub>1</sub>+ <sub>w</sub> H<sub>2</sub>

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