Application of Sliding Block Concept to Geosynthetic-Constructed Facilities - Reinforced Soil Engineering: Advances in Research and Practice - page 104

Figure 10 Direct sliding mechanism for landfill liner.

where

T A ¼ C ds tan f{ ð 1 2 k v Þ cos b 2 k h sin b}W A ð 20 Þ

W B { ð 1 2 k v Þ tan f 2 k h } þ C

P ¼ ð 21 Þ

h

cos ð f þ b Þ

h ¼ ð 22 Þ

cos f

gH 2
sin 2b ; C

H
sin b ; C a ¼

W A ¼ gHL; W B ¼ ¼ c c a L ð 23 Þ

W A and W B are the weight of the soil wedges, and c and c a are the soil cohesion
and adhesion between soil and geomembrane, respectively.
From Eq. (19), the coefficient of yield acceleration is determined as

k hy ¼ ð

1 2 k v Þ {W A h ð C ds tan fcos b 2 sin b Þþ W B tan f} þ C a h þ C

W A h ð cos b þ C ds tan fsin b Þþ W B

ð 24 Þ