Environmental Engineering Reference
In-Depth Information
Table 15.8.
Observed post construction crest settlement and horizontal displacements for modern CFRD.
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)
Agumilpa
185.5
n/a
n/a
222
307 (0.4-5.7 yrs)
0.165
0.090
n/a
Alto Anchicaya
140
n/a
n/a
100
153 (0.1-10.3 yrs)
0.109
0.037
At 10 years, settlement
rate was less than
2 mm/yr
Bastyan
75
9
16 (0-7.5 yrs)
15
50 (0.2-7.5 yrs)
0.067
0.028
n/a
Brogo
43
n/a
35.7 (0-18.25 yrs)
15
34 (0-18.25 yrs)
0.079
n/a
n/a
Cethana
110
27
83 (0-22 yrs)
46
137 (0-28.6 yrs)
0.125
0.042
n/a
Courtright
97
n/a
n/a
899
1237 (0-38 yrs)
1.275
0.70
n/a
Crotty
83
9
n/a
16
55 (0-8.5 yrs)
0.066
0.045
n/a
Dix River
84
n/a
970 (0-32 yrs)
n/a
1281 (0-32 yrs)
1.525
0.58 to 1.44
At 30 years, settlement
rate was approx
20-25 mm/yr
Foz Do Areia
160
180
248 (0-6 yrs)
73
328 (0-11 yrs)
0.205
0.099
n/a
Golillas
125
n/a
7 (0-6 yrs)
20
52 (0.5-6.4 yrs)
0.042
0.033
n/a
Kangaroo Creek
60
32
50 (0-10 yrs)
26
116 (0-26 yrs)
0.193
0.126
n/a
Kotmale
90
n/a
62 (0-2.5 yrs)
96
255 (0-2.5 yrs)
0.283
0.258
n/a
Little Para
53
N/a
n/a
22
152 (0-22.6 yrs)
0.287
0.210
n/a
Lower Bear No. 1
75
270
305 (0-4 yrs)
335
375 (0.1-4.1 yrs)
0.500
0.103
n/a
Lower Bear No. 2
46
88
116 (0-4 yrs)
73
116 (0.1-4.1 yrs)
0.252
0.128
n/a
Mackintosh
75
75
130
99
333 (0-20.6 yrs)
0.444
0.184
At 10 years, settlement
rate was 5 mm/yr
Mangrove Creek
80
n/a
196 (0-15 yrs)
287
287 (0.7-15 yrs)
0.359
0.251
n/a
Murchison
94
8
22 (0-12 yrs)
9
104 (0.1-17.6 yrs)
0.111
0.056
At 10 years, settlement
rate was approximately
3 mm/yr
Reece
122
n/a
68 (1.5-9 yrs)
85
221 (0.1-15 yrs)
0.181
0.063
At 5 years, settlement
rate was approximately
4 mm/yr
(Continued)
Copyright © 2005 Taylor & Francis Group plc, London, UK
