New Hoover Dam Bridge
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New Hoover Dam Bridge Between Nevada and Arizona

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New Hoover Dam Bridge

Between Nevada and Arizona


Picture Title

Hoover Dam

Click


Picture Title

Nevada

Hoover Dam

California

Click

Click


Picture Title

Hoover Dam

Hoover Dam Bridge

Click


Picture Title

Nevada

State line

Time zone line

Arizona

Hoover Dam

Hoover Dam Bridge

Click


New method to build a reinforced concrete bridge without the conventional temporary shoring


The suspension cables for temporary support


suspension cable


High line

cable conveyor

Reusable metal sliding formwork


Suspension cables

temporary support

System


The concrete Arch designed for carrying the temporary and permanent load


Conventional scaffold system, too expense ! !


Steel strut

Reinforced concrete twin Arch connected by steel struts


Steel Box Girders and concrete roadway deck


Colorado River


Lower twin arch was completed


Cut off the suspension cables, when concrete up to it’s strength


Reusable metal sliding formwork

for reinforced concrete columns


The upper deck columns, build on the top of the lower twin arch


Steel Box Girders


Prestressed concrete and steel box composited Girders


Hoover Dam Bridge over Colorado River


Hoover Dam Bypass Bridge

Opening date : Oct. 19, 2010


The center line of Colorado River and Hoover Dam Bridge was State Line of Nevada and Arizona, and also a Time Zone divided line of Pacific and Mountain Time, If drive from west to the east, when you pass the bridge, you will enter Arizona and gain one extra hour.

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Name of the Bridge

  • In the beginning called :Hoover Dam Bypass Bridge now the official name was :

  • Mike O’Callaghan – Tillman Killey Memorial Bridge

    Mike O'Callaghan – Joined the Marines at sixteen, 1952 he lost part of his left leg in the battle of Korean War, 1971 to 1979 was Governor of Nevada, later he was the Executive Editor at the Las Vegas Sun newspaper, he died on March 5, 2004.

  • Tillman Killey – Arizona famous NFL football player, he gave up his well paid job and joined the army, he died by a friendly fire in Afghanistan on April 22, 2004.

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Hoover Dam Bridge technical information

Designer : 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 ) , 2nd height 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 built in United State.

  • Pedestrian access is provided over the bridge for tourists.

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Hoover Dam technical information

  • Hoover Dam was built after 1930 Great Depression, it was a project 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 was forbidden by construction contract.

  • Hoover Dam was a tour spot, every year more than million of peoples visit there.

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End

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Rodrigo *O Tecelão!


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