Environmental Engineering Reference
In-Depth Information
Table 15.10.
(Continued).
Total displacement normal to face slab (1)
Long-term displacement (2)
Depth of
maximum
Displacement rate (mm/year)
Displacement
movement
First filling
Long term
Height
on first filling
(below crest)
(time since start
(time since end
Dam name
(m)
mm
mm
(m)
Comment (3)
of first filling)
of first filling)
Comments
Reece
122
215
264
66
For 10 years after EOC
860 (0.25 yrs)
30 (0.1-0.4 yrs)
Filling over 0.15 yrs
12 (0.4-2.4 yrs)
3.5 (2.4-5.4 yrs)
3.5 (5.4-8.4 yrs)
Salt Springs
100
1317
1755
67
For 28 years after EOC
610 (2 yrs)
38 (0.5-2.5 yrs)
Filling over 1.5 yrs
18 (2.5-8.5 yrs)
12.5 (8.5-25.5 yrs)
Salvajina
148
55
-
-
Measured during
-
-
-
first filling up to
14 m below FSL
Scotts Peak
43
78
178
-
For 18 years after EOC
-
-
-
Segredo
145
340
n/a
n/a
Measured up to 4 months
n/a
n/a
n/a
after completion
of first filling
Shiroro
125
90
n/a
n/a
Measured during
n/a
n/a
n/a
first filling up to
32 m below FSL
White Spur
43
15
38
12
For 6 years after EOC
75 (0.2 yrs)
7.5 (0-0.7 yrs)
Filling over 0.06 yrs
23 (0.7-1.1 yrs)
2.5 (1.1-5.5 yrs)
Winneke
85
145
160
n/a
For 1.5-15.5 years
n/a
n/a
n/a
after EOC
Xibeikou
95
75
n/a
n/a
n/a
n/a
n/a
n/a
Xingo
140
290
510
n/a
For 6 years from EOC
n/a
n/a
n/a
Notes:
(1) Total displacement includes displacement measured during first filling.
(2) EOC
Full supply level.
(3) Displacements are measured normal to the face slab.
end of construction of main rockfill FSL
