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[B] Permeability Test
cm
2
(1)
Cross-sectional area of standpipe, a
(2)
Length of soil specimen in permeameter, L
cm
cm
2
(3)
Cross-sectional area of soil specimen, A
Trial
Head,
Head,
Time,
Temperature,
Permeability
Ratio of
Permeability
no.
h
1
h
2
t
T
at T°C,
Viscosity at T°C
at 20°C,
(cm)
(cm)
(s)
(°C)
k
T
(cm/s)
Viscosity at 20°C
k
20
(cm/s)
log
h
1
h
2
2.3
aL
At
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(seeTable18-2)
284
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