???? ???????? ??????
Three Gorges Dam
?江三?水利??工程
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The dam in September 2009
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????
| China
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???????
| Sandouping
,
Yiling
, Hubei
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???????
| Power, flood control, navigation
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??????
| Operational
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???????? ????????
| December 14, 1994
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??????? ????
| 2008
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??????? ?????
| ¥
180 billion (US$26 billion)
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??????
| China Yangtze Power
(subsidiary of
China Three Gorges Corporation
)
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|
?????? ???
| Gravity dam
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?????????? ??????
| Yangtze River
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Height
| 181 m (594 ft)
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?????
| 2,335 m (7,661 ft)
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Width (crest)
| 40 m (131 ft)
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Width (base)
| 115 m (377 ft)
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Spillway capacity
| 116,000 m
3
/s (4,100,000 cu ft/s)
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|
???????????
| Three Gorges Reservoir
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?????? ?????????
| 39.3 km
3
(31,900,000
acre?ft
)
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??????? ???????
| 1,000,000 km
2
(390,000 sq mi)
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?????? ????????
| 1,084 km
2
(419 sq mi)
[1]
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?????? ?????
| 600 km (370 mi)
[2]
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?????? ?????
| 175 m (574 ft)
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|
Commission date
| 2003?2012
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Type
| Conventional
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?????????? ????
| Rated: 80.6 m (264 ft)
Maximum: 113 m (371 ft)
[1]
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?????????
| 32 × 700
MW
2 × 50 MW
Francis-type
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????? ???? ?????? ???????????? ?? ??????? ????? ???? ???????? ????????? ???? ??
??????
. ????????? ???????? ?????????? ????? ??? ????? ????????
??????????
(22,250 ??????????) ?? ???? ?????????????, ???????? ???? ???????????? ????? ???????? ??? ????? ?????? ????? ????? ?????????? ?????? ???????. ???? ???????? ?????? ?????????? 2012 ???? 4 ? ?????? ??????.
[3]
? ?????? ??? ????????,
???? ??????
, ???????? ???? ???????????. ?????, ??? ??????? ????????????? ????????. ? ?????? ???? ???????? ?????????? ??????????, ??????? ???? ???? 1.24 ??????? ?????? ???? ?????? ????????????? ?????????.
[4]
? ?????? ?????? ???? ???????? ??????????, ?????? 410 ?????? (660 ???????????) ??????????? ??? ?????????? ???????? ????? ???????.
????????, ?????, ?????????
[
??????
]
???? ???????? ?????? ?? ?????? ?????? ??? ????? ??????, ???? ?????? ???? ?? ???? ???? ?? ?????? ????, ? ????????? ??????, ????? ????????? ????????????.
- The dam is
:
- 7,575 feet (2,309 m) long
- 331 feet (101 m) tall
- 377 feet (115 m) thick at the bottom
- 131 feet (40 m) thick at the top
[5]
- The dam uses
:
- 27,200,000 cubic meters (35,600,000 cubic yards) of
concrete
- 463,000 tons of
steel
- 102,600,000 cubic meters (1.342E+8 cubic yards) of
soil
[5]
- The reservoir is
:
- 574 feet (175 m) above
sea level
- 299 feet (91 m) deep
- 410 miles (660 km) long
- 0.7 miles (1.1 km) wide
[6]