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Hoover dam bypass_bridge
Hoover dam bypass_bridge
Hoover dam bypass_bridge
Hoover dam bypass_bridge
Hoover dam bypass_bridge
Hoover dam bypass_bridge
Hoover dam bypass_bridge
Hoover dam bypass_bridge
Hoover dam bypass_bridge
Hoover dam bypass_bridge
Hoover dam bypass_bridge
Hoover dam bypass_bridge
Hoover dam bypass_bridge
Hoover dam bypass_bridge
Hoover dam bypass_bridge
Hoover dam bypass_bridge
Hoover dam bypass_bridge
Hoover dam bypass_bridge
Hoover dam bypass_bridge
Hoover dam bypass_bridge
Hoover dam bypass_bridge
Hoover dam bypass_bridge
Hoover dam bypass_bridge
Hoover dam bypass_bridge
Hoover dam bypass_bridge
Hoover dam bypass_bridge
Hoover dam bypass_bridge
Hoover dam bypass_bridge
Hoover dam bypass_bridge
Hoover dam bypass_bridge
Hoover dam bypass_bridge
Hoover dam bypass_bridge
Hoover dam bypass_bridge
Hoover dam bypass_bridge
Hoover dam bypass_bridge
Hoover dam bypass_bridge
Hoover dam bypass_bridge
Hoover dam bypass_bridge
Hoover dam bypass_bridge
Hoover dam bypass_bridge
Hoover dam bypass_bridge
Hoover dam bypass_bridge
Hoover dam bypass_bridge
Hoover dam bypass_bridge
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Hoover dam bypass_bridge

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  • 1. New Hoover Dam BridgeNew Hoover Dam BridgeBetween Nevada and ArizonaBetween Nevada and Arizona
  • 2. Picture TitleHoover DamClick
  • 3. Picture TitleHoover DamCaliforniaNevadaClickClick
  • 4. Picture TitleHoover DamHoover Dam BridgeClick
  • 5. Picture TitleHoover Dam BridgeHoover DamClickNevadaArizonaState lineTime zone line
  • 6. New method to builda reinforced concretebridge without theconventionaltemporary shoring
  • 7. The suspension cables for temporary support
  • 8. suspension cable
  • 9. Reusable metalsliding formworkHigh linecable conveyor
  • 10. Suspension cablestemporary supportSystem
  • 11. The concrete Arch designed for carryingthe temporary and permanent load
  • 12. Conventional scaffold system, too expense ! !
  • 13. Reinforced concrete twin Archconnected by steel strutsSteel strut
  • 14. Steel Box Girders andconcrete roadway deck
  • 15. ColoradoRiver
  • 16. Lower twin arch was completed
  • 17. Cut off the suspensioncables, when concreteup to it’s strength
  • 18. Reusable metalsliding formworkfor reinforcedconcrete columns
  • 19. The upper deckcolumns, buildon the top of thelower twin arch
  • 20. Steel BoxGirders
  • 21. Prestressed concreteand steel boxcomposited Girders
  • 22. Hoover Dam Bridge over Colorado River
  • 23. Hoover Dam Bypass BridgeOpening date : Oct. 19, 2010
  • 24. The center line of Colorado River and Hoover Dam Bridge wasState Line of Nevada and Arizona, and also a Time Zonedivided line of Pacific and Mountain Time, If drive from west tothe east, when you pass the bridge, you will enter Arizona andgain one extra hour. Click
  • 25. Name of the Bridge• In the beginning called : Hoover Dam Bypass Bridgenow the official name was :• Mike O’Callaghan – Tillman KilleyMemorial BridgeMike OCallaghan – Joined the Marines at sixteen, 1952 he lostpart of his left leg in the battle of Korean War, 1971 to 1979 wasGovernor of Nevada, later he was the Executive Editor at theLas Vegas Sun newspaper, he died on March 5, 2004.• Tillman Killey – Arizona famous NFL football player, he gaveup his well paid job and joined the army, he died by a friendlyfire in Afghanistan on April 22, 2004.Click
  • 26. Hoover Dam Bridge technical informationDesigner : T. Y. Lin International ( 林同棪 )1988 finished the investigation and environmental report.The design work start in July 2001 & finish two years later.• Bridge length : 1900 ft ( 580 m ).• Arch span : 1060 ft ( 320 m ).• Bridge width : Four lane highway.• Bridge height : 840 ft ( 263 m ) , 2ndheight of U.S.• Bridge away from Hoover Dam : 1600 ft ( 550 m).• Construction began on Feb. 2005 and completion on Oct.2010.• Construction cost : 114 million.• This is the first Concrete-and-steel composite arch bridge builtin United State.• Pedestrian access is provided over the bridge for tourists.Click
  • 27. Hoover Dam technical information• Hoover Dam was built after 1930 Great Depression, it was aproject to increased job for American worker.• Type : Concrete gravity - arch dam• Top width : 45 ft ( 14 m), Base width : 660 ft ( 200 m)• Dam height : 726 ft ( 230 m), and 1245 ft (380 m) long• Construction begin at 1931 and finish at 1936• Total cost : 49 million• Reservoir : 28,537,000 Acre ft (35,200 Kilo cubic meter)• Power annual generation : 4.2 Billion kwh• Worker : Hired 5500 construction workers, Chinese labor wasforbidden by construction contract.• Hoover Dam was a tour spot, every year more than million ofpeoples visit there.Click

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