Environmental Engineering Reference
In-Depth Information
Table 15.6.
Summary of embankment and rockfill properties for CFRD (Hunter, 2003; Hunter and Fell, 2002).
Embankment
dimensions
Material parameters/properties of rockfill
Rockfill moduli
Strength
*2
Dry
Layer
Height,
Rockfill
classification
d
max
% finer
density
Void
thickness
E
rc
(MPa),
source
*1
(t/m
3
)
Dam name
H (m)
L/H
UCS (MPa)
C
u
(mm)
19 mm
ratio, e
(m)
Placement
average
E
rf
(MPa)
Zone 3A Rockfill
(Continued)
Xibeikou
95
2.3
Limestone -
UCS
240
-
600
-
2.18
0.284
0.8
8 p 12 t SDVR,
80
260
FR
Very High
25 to 50% water
(60 to 100)
Xingo
140
6.1
Granite
(High to
18
650
4 to 33
2.15
0.28
1.0
4 p 10 t
34 (30 to 39)
76
gneiss
very high ?)
SDVR, 15%
(73 to 80)
water
Zone 3B Rockfill
Mangrove
2.06 t/m
3
80
4.8
Weathered
UCS
330
450
32
0.26
0.45
4 p 10 t
46 (36 to 56)
-
Creek
to fresh
26-64 High
SDVR, dry
(Zone 3B)
siltstone &
of OMC
sandstone
Salvajina
148
2.4
Weak
(Medium ?)
45
600
32
2.26
0.21
0.9
6 p 10 t
62 (likely
-
(Zone 3B)
sandstone
SDVR,
arching)
and siltstone
water added
Tianshengquao-1
178
6.6
Mudstone
UCS
16-20
40
600
20 to 35
2.23
0.21
0.8
6 p 16 t SDVR,
37 (32 to 42)
-
(Zone 3B)
Medium
20% water
For Do Areia
160
5.2
Mix basalt & UCS
235
14.2
-
-
1.98
0.27
0.8 for 1D 4 p 10 t SDVR,
32 (29 to 38)
-
(Zone 3B)
basaltic
High to
1.6 for 1C 25% water
breccia
very high
Aguamilpa
185.5
2.6
Ignimbrite
UCS
180
22
700
-
-
-
1.2
4 p 10 t SDVR
36 (25 to 45)
-
(Zone 3B)
Very high
Ita (Zone 3B)
125
7.0
Breccia and
(High to
13.3
750
15
2.066
(0.33 to 1.6
4 p 9 t SDVR,
24 (14 to 46)
-
Basalt
very high)
0.39)
no water
Khao Laem
130
7.7
Limestone
UCS
190
-
1500
-
-
-
2.0
4 p 10 t SDVR,
30
-
(Zone 3B)
Very high
15% water
lower in 70 m
2.01 t/m
3
Segredo
145
5.0
Gasalt (
5%
UCS
235
10.2
-
-
0.43
1D - 0.8
4 p 9 t SDVR,
28 (25 to 33), -
(Zone 3B)
basaltic
High to
1C - 1.6
no water
likely arching
breccial)
very high
