Environmental Engineering Reference
In-Depth Information
Table 15.13.
(Continued).
First Filling
During Operation
Water
Max
Max
depth at
leakage
Water
leakage
Water
Comments
Dam
Height
full supply
rate
depth
rate
depth
Long-term
on leakage
name
(m)
level (m)
(l/s)
(m)
(l/s)
(m)
rate (l/s)
trends
Comments
reservoir level.
angular, high strength
Min rate 25 l/s at
rockfill. Long-term
water depth less
rate established
than 50 m.
approx 2 years
after first filling.
Salt Springs
100
97.5
850
Unknown
425-565
97.5
Unknown
Fluctuations in
Embankment
leakage rate closely
construction
related to .
involved dumped
reservoir level.
and poorly sluiced
rockfill. Cracking
occurred in the
face slab before
first filling.
Strawberry
43.5
Unknown
Unknown
Unknown
285
Unknown
170
Leakage slowly
Concrete facing
increased over
replaced 12 yrs after
80 years of service.
EOC. Facing and joints
have been repaired
several times over the
life of the dam.
Wishon
90
89
3120
89
Unknown
Unknown
850
Seasonal leakage
Construction involved
behaviour is
dumping and high
unknown.
pressure sluicing of
rockfill. Maximum
leakage occurred 2
months after first
filling due to cracking
in face slab.
Copyright © 2005 Taylor & Francis Group plc, London, UK
