| Gezhouba
Dam Hydro Electric Project |
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Bird's
view |
| |
| The
experimental dam of the Three
Gorges Project (TGP) -- the Gezhouba Dam Hydro Electric Project
is located at the lower end of the Three Gorges in the suburbs of
Yichang, 38 km downstream of the TGP. |
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Electricity
power for development of China |
The
construction of the Gezhouba Dam project started on December 30, 1970
and ended on December 10, 1988. The dam is 2606.5 meters long and
53.8 meters high, with a total storage capacity of 1.58 billion m3
and a maximum flood discharging capability of 110,000 m3/s. The two
hydroelectric plants have 21 generating units with a total installed
capacity of 2.715 million kw and an annual output of 15.7 billion
kwh, which is transmitted to Shanghai, Henan Province, Hunan Province,
Wuhan City, etc.
The annual one-way shipping capacity of the navigation facilities
is 50 million tons and the total investment was 4.848 billion Chinese
currency yuan (US$0.557 billion). The Gezhouba Dam Project is a cascade
which regulates the tailwater flow from the TGP and improves the conditions
between the two dams. After completion of the TGP, the annual guaranteed
output of electricity from the Gezhouba Hydro Power Plant will be
increased by about 430,000kw. Therefore the two projects considered
as twins through thick and thin. |
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Calm
lake |
| The
dam has several sluice-gates, or ship locks. Some sluice-gates are
used for accumulating water for irrigation during fraught seasons;
some function for generating electricity. But what is most interesting
is how boats are lowered or raised by making use of locks. When a
boat from the lower level enters a sluice-gate, the gate is closed
and the boat is "locked in" between two gates. The water
level rises gradually until it reaches a higher level. When the other
gate opens, the boat has already climbed up to a higher level. Likewise,
boats from a higher level could also easily get to the lower level.
This scene has now become an added attraction for visitors. |
| <More
information about Gezhouba Dam> |
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| "Hello"
to the people high on the banks |
Flood
discharge |
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| Sluice
Gate |
Shiplock
with giant doors |
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Relating
topics:
Three Gorges
Project (TGP)
Why China Wants to Build
the Three Gorges Dam
Brief Introduction
to the Three Gorge Project Construction
Report on Environmental
Impact of the TGP
Some facts about the Gezhouba
Dam
How Did the Three Gorges Come into
Existence
Three Travelers' Cave
Nanjin Pass
Yichang |
