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6_._214x105(D1.0) (n�
(p200)0.597 (f t./.day)
n - porosity m (7 - Yd )
5.2.4G 1os
G - Specific Gravity
(Assumed 2.70) a
- 40
0.005
m tax
> 0.01
Uj r M
CD U
O ° Be \ _
NSo
0 05 100 A
Z 110
120 in
10 Q?
•N — 0 --- 170 d
(a __ - -.may.. 0.50
41 S tA- ;> 4yw. 140 a
U 10
.(� j
U
!1
CJ
k 5.0
0 t0.d O4 • 10 O
� � Example. v
P200 " 2% x
D 0.6 mm 102
10
Yd 117 lb./cu.ft.
Read: to
k 65 ft./clay
Ito
Figure 28. Chart. For. Estimating Coefficient. of Permeability
of Granular Drainage and Filter. Materials
�r MEN r WO. M M OM 40 4M M WW M � MO r no M