1.

For the different value of φ, 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 φ1>φ2.

A. pa=Ka2 γH1-Ka2 γ’ H2+γw H2
B. pa=Ka2 γH1+Ka2 γ’ H2+γw H2
C. pa=Ka2 γH1+γw H2
D. pa=Ka2 γH1+Ka2 γ’ H2
Answer» C. pa=Ka2 γH1+γw H2


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