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Saturday, December 17, 2011

Three Gorges Dam: China


World Records Set by the Three Gorges Dam


The world’s largest and grandest water conservancy project, the Three Gorges Dam has set a series (over 100) of
world engineering records by various indices. It is, or has:-

- the world’s most effective multi-functional water control system, consisting of a dam, a five-tier ship lock, and 26 hydropower turbo-generators;
- the world’s largest power station, total installed capacity reaching 18.2 million kW and annual power generation 846.7 billion kWh;
- the world’s grandest engineering project for water conservancy, earthwork (excavation & backfilling) totaling 134 million m3, concrete consumption 279.4 million m3, steel reinforcement 463,000 tonnes;
- the world’s greatest floor discharging capacity, up to 102.5 m3/s;
- the world’s largest number of stages of ship locks (staircase locks, nos. two, each with five stages and a total water head of 113m);
- (yet to be completed) the world’s largest ship lift (dimension of the basin: 120×18×3.5m), maximum vertical travel distance being 113m, capable of lifting ships of 3000t;
- the world’s largest human resettlement program associated with an engineering project, total population having to be relocated being estimated at 1.13 million.

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