
159Appliances and Equipment Failures
e pressures acting on the wall of the pool are directly proportional to the height and
weight of material denoted in Figure 6.25. e pressure (p) is given by the following linear
relationship:
(6.10)
Figure 6.26 displays the pressures acting on the wall.
e following equations describe the lateral pressures according to Equation 6.10:
pkh
pp kh h
ph
ssgwt
ss ss wt
ssssgsss wt
wwwp
=
+= +
=
γ
γγγ
γ
−
(6.11)
where k is the coecient of earth pressure (accounts for soil friction angle).
Water
table
Pool
g
h
wt
h
γ
ss
γ
s
γ
w
Figure 6.25 Conguration of in-ground pool. Where h
g
is the height of ground earlier d