Upstream Downstream
RU 1
RU 3
F2
F 1
RU2 RD 1
RD2
Cofferdam ED
F2
F 1
RD 3
RU 1 /RD 1 : upstream/downstream rockfill zone I
RU2/RD2: upstream/downstream rockfill zone II
RU 3 /RD 3 : upstream/downstream fine rockfill
F 1 /F2: filter material zone I/II
ED: clay mixed gravel
: electromagnetism type settlement gauges
900
800
700
600
500
824. 1
658
(a)
81 2. 5 201 2.^1 2.^31
2011. 05. 31201 2. 05. 31
- 0 2. 152008. 05. (^312008). 05. 31200 9. 05. 31
200 9. 05. 312010. 05. 31
- 31
(b)
Figure 3: The maximum cross-section. (a) Material zoning and (b) construction stage.
0
2000
4000
6000
8000
10000
300 kPa 900 kPa
1500 kPa^2500 kPa
Duncan-Chang EB
0 5 10 15
1
−
(kPa) 3
1 (%)
(a)
− 4
− 3
− 2
− 1
0
1
2
3
4
1 (%)
0 5 10 15
(%)
300 kPa 900 kPa
1500 kPa^2500 kPa
Duncan-Chang EB
(b)
Figure 4: Comparison between fittings of Duncan and Chang’s EB model and experimental triaxial tests results for rockfill material I.
