Table 5. Laboratory hydraulic conductivity tests on sediment.
System
Sediment
Elapsed
Water
Sediment
hydraulic
hydraulic
Test series
time
height
height
number
(min)
(cm)
(cm)
(cm/s)
(cm/s)
1 dose of sediment on porous stone
1
30
37.00
17.7
2.72E-04
2.64E-04
60
36.65
17.0
9.16E-05
8.87E-05
180
35.60
15.0
6.46E-05
6.23E-05
1200
31.80
10.4
2.34E-05
2.24E-05
1 dose of sediment on 13.7 cm of gravel
1R
20
49.90
31.4
3.70E-04
2.19E-04
60
49.30
30.3
1.55E-04
8.51E-05
120
48.60
29.1
1.22E-04
6.43E-05
165
48.20
28.3
8.78E-05
4.48E-05
1140
43.50
23.3
4.52E-05
2.06E-05
2 doses of sediment on 13.7 cm of gravel
2
20
67.70
42.3
2.09E-04
1.42E-04
55
67.50
41.6
5.91E-05
3.88E-05
190
67.00
38.3
3.67E-05
2.34E-05
1170
63.50
33.1
3.41E-05
2.09E-05
3 doses of sediment on 13.7 cm of gravel
3
334
79.00
41.2
1.01E-04
7.06E-05
1750
76.50
41.1
1.56E-05
1.00E-05
3351
73.70
41.1
1.60E-05
1.03E-05
10
10 3
3
10
Dose No. 1R
Dose No. 1
10 4
10 4
Total
Sediment
5
5
10
10
10 6
6
10
3
3
a. Dose #1.
b. Dose #1R.
10
3
3
10
10
Dose No. 3
Dose No. 2
4
10 4
10
Total
Total
Sediment
5
5
10
10
Sediment
10 6
10 6
0
0
400
800
1200
1000
2000
3000
4000
Elapsed Time (min)
Elapsed Time (min)
c. Dose #2.
d. Dose #3.
Figure 10. Permeability of sediment in column.
14
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