Environmental Engineering Reference
In-Depth Information
Table 15.12.
(Continued).
First filling
During operation
Water depth
at full
Max
Max
Water
Height
supply
leakage
Water
leakage
depth
Long-Term
Comments on leakage
Dam name
(m)
level (m)
rate (l/sec)
depth (m)
rate (l/s)
(m)
rate (l/sec)
trends
Comments
Salvajina
148
141
Unknown
Unknown
74
130
Unknown
Seasonal trends in
60 l/s through slab,
leakage rate are
14 l/s through
unknown.
abutments.
Scotts Peak
43
39.5
100
37
6-10
39
2-3
Short duration peak
Max rate occurred
(asphaltic
leakage up to 6-10 l/s
after cracking in
concrete face)
likely related to rainfall
slab. Long-term rate
events. Reservoir held
of 5 l/s for 4 years
at near constant level.
after first filling
then gradual
reduction to 2-3 l/s
over the next 10
years.
Segredo
145
141
390
141
Unknown
Unknown
45
Seasonal changes in
Rate of 45 l/s
leakage rate are
established approx
unknown.
6 months after
completion of first
filling at water
depth of 138 m.
Shiroro
125
112.5
1600
105
Unknown
Unknown
100
Cracking in face slab
Sand placed on face
occurred during first
slab & leakage
filling. Seasonal
reduced to 100 l/s
trend in leakage rate
6 months after
is unknown.
commencement of
filling.
Tianshengqiao-1
178
167
132
154.5
n/a
n/a
n/a
Face slab cracking
First filling data not
occurred during first
complete.
filling.
Tullabardine
25
23
Unknown
Unknown
3-6
22-23
1-2
Minimum leakage rate
Seasonal
at lowest water levels.
fluctuations in
Less than 1 l/s at water
leakage rate with
Copyright © 2005 Taylor & Francis Group plc, London, UK
 
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