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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