[Press Release] Contrast Security at DX in Zurich North America ...
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Zurich has helped build some of North America's most famous buildings, from the Hoover Dam to the Confederation Bridge.
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Hoover Dam1931年Started construction in1936年It was completed in.RooseveltPresidentialNew Deal PolicyIt is said that it was built as part of the president, but the construction started before the inauguration of the president.In the construction work of the damheatstrokeDied 97 people.Also,1940年Seems to be caused by floodingmagnitude5'sInduced earthquakeIs occurring.
The name at the time of construction wasBoulder dam(Boulder Dam), But at the start of constructionPresident of the United States OfHerbert HooverNamed after1947年Was renamed to.The road at the top of the bankIs.1 lane on each sideTraffic jam OfbottleneckBecause it is, directly under the damBypass roadAs JapanObayashi teamIs the Colorado River Bridge (official name English:Mike O'Callaghan–Pat Tillman Memorial Bridge) Was undertaken and completed in October 2010.
The model isGravity arch dam, Height 221Meters, 379 meters long, the dam lakeLake meadIt is called, and the amount of water stored is about 400 billion.T..There are about 2,500 dams in Japan, and their total water storage is 250 billion tons.Japan's largest lakeBiwa lakeThe amount of water stored in the reservoir is about 280 billion tons.Installed in Hoover DamHydroelectric power plantOccurred inelectricityIs 48 northwest of the damKilometersIt is inLas VegasIncluding,California-ArizonaIt is supplied to each city of.
With the completion of the dam, in a vast dry landIrrigation agricultureIt became possible to do, but at the same time in the downstream areaAccumulation of salt OfPollutionHas come to be seen. 1961, downstreamメキシコThe government violated the 1944 Treaty between the United States and Mexico on the use of water on the Colorado, Tijuana and Rio Grande rivers.International watersAs pollutedUnited States Federal GovernmentProtesting against.
- Colorado River
- the purpose
- Water level adjustment,Power generation,Water
- Gravity arch
- Bank height
- 221.4 meters
- Embankment length
- 379.4 meters
- Embankment volume
- 250 millionCubic meter
- Flooded area
- 639square kilometer
- Effective water storage capacity
- 344 billionCubic meter
- Dam lake name
- Lake mead
- ^ "North America's longest concrete arch bridge completed in Hoover Dam valley". Obayashi team (February 2010, 11). As of February 4, 2020オ リ ジ ナ ルMore archives.2020/5/4Browse.
- ^ A meeting of lawmakers to realize a public works check mechanism, "Why did the United States stop developing dams?" Tsukiji Shokan, p. 40.
- Dam Handbook (Japan Dam Foundation) Hoover (Hoover Dam)
- Hoover Dam's official website
- Structurae: Hoover Dam
- Hoover Dam page
- Dams of the Lower Colorado River --Hoover Dam
- Frank Crowe --Builder of Hoover Dam
- "Boulder Dam" – Part I and Parts III and IV, documentary films from the Prelinger Archives at the Internet Archive.
- Google Earth view