Environmental Engineering Reference
In-Depth Information
Table 15.8.
(Continued)
Crest settlement
Horizontal crest movement
Total post-construction
Long-term settlement rate
First
Total post-
First
Height
filling
construction (mm)
filling
mm (Time
Vertical
% per log
Dam name
(metres)
(mm)
(Time from EOC)
(mm)
from EOC)
strain (%)
time cycle (2,3)
mm/year (4)
Salt Springs
100
230
550 (0-27 yrs)
380
1276 (0.3-65 yrs)
1.276
0.29 to 0.77
n/a
Salvajina
148
n/a
n/a
90
90 (0.3-0.8 yrs)
0.061
n/a
n/a
Scotts Peak
43
96
190 (0-17 yrs)
203
445 (0-18 yrs)
1.035
0.178
Long term rate
approx. 2.5 mm/yr
Segredo
145
n/a
n/a
Approx 200
229 (0-0.8 yrs)
0.158
n/a
n/a
Serpentine
38
23
38 (0-21 yrs)
35
77 (0.2-25.5 yrs)
0.203
0.109
n/a
Shiroro
125
n/a
27 (0-1.5 yrs)
66
166 (0-1.8 yrs)
0.133
n/a
n/a
Tianshengqiao-1
178
670
n/a
>926
926 (0.1-0.8 yrs)
0.520
n/a
n/a
(0-0.75 yrs)
Tullabardine
25
n/a
2
19 (0.2-12.8 yrs)
0.076
0.023
n/a
White Spur
43
n/a
n/a
7
58 (0-5.9 yrs)
0.135
0.080
At 5 years, settlement
rate was approx
1.25 mm/yr
Winneke
85
n/a
n/a
105
207 (0.2-16.2 yrs)
0.244
0.107
n/a
Wishon
90
n/a
n/a
189
954 (0-38 yrs)
1.060
0.25 to 0.33
n/a
Xingo
140
210
320 (1-6.2 yrs)
302
526 (1.0-6.2 yrs)
0.376
0.250
n/a
Notes:
1. EOC
end of construction of main rockfill.
2. Time in years.
3. Effects of first filling typically cease 6 months after completion of first filling.
4. Quoted time is from end of construction.
Copyright © 2005 Taylor & Francis Group plc, London, UK
