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資料更新日期 113-05-21 01:00
April 8, 1981 [4] Designated NHL. August 20, 1985 [5] Hoover Dam is a concrete arch-gravity dam in the Black Canyon of the Colorado River, on the border between the U.S. states of Nevada and Arizona. Constructed between 1931 and 1936, during the Great Depression, it was dedicated on September 30, 1935, by President Franklin D. Roosevelt.
- 1933
- Six Companies, Inc. (structural), Gordon Kaufmann (exteriors)
- $49 million (1931 budget), ($713 million in 2021 dollars)
The Jirau Dam is a combination embankment dam with concrete sections for the power stations and spillway. The length of the entire dam is 1,100 m (3,609 ft) while the embankment section is 800 m (2,625 ft). The embankment dam is arched, 63 m (207 ft) tall and has an asphalt -core. Its structural volume is 2,000,000 m 3 (70,629,333 cu ft) of ...
- 63 m (207 ft)
- December 2016
- 1,500 m (4,921 ft)
- Rondônia, Brazil
