Environmental Engineering Reference
In-Depth Information
1.0
0.8
0.6
0.4
Leak
boundary
0.2
0.0
0
50
100
150
200
250
Time (days)
Figure 16.31
Total amount of water leakage from water line with time per meter of cross
section.
Pore-water pressure (kPa)
1000
800
600
400
200
0
200
−
−
−
−
−
0.0
Steady
state
50 days
Initial
0.5
5 days
u
w
= 0
20 days
1.0
1.5
Hydro-
static
2.0
2.5
Figure 16.32
Pore-water pressure profiles for various times and for cases where final pore-water
pressures are assumed to be either zero or hydrostatic.
0
800
800
700
700
600
80
60
40
40
50
600
500
1
60
400
20
kPa
300
300
200
200
40
20 kPa
100
100
2
0
5
10
Distance (m)
15
20
Figure 16.33
Matric suction distribution at steady-state conditions.
0
−
0.7 mm
−
0.6
1
−
0.5
−
0.4
−
0.3
2
−
0.2
−
0.1
0
5
10
Distance (m)
15
20
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