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Golden Gate Bridge-Alejandr
3
Transcript
Golden Gate Bridge
How it was built
It being built
The main cables pass over the two main towers and are put in concrete at each end. Each cable is made of 27,572 strands of wire. The total length of steel wire used to fabricate both main cables is 80,000 miles (130,000 km). Each of the bridge's two towers has 600,000 rivets.
when it was built
It was built on January 5, 1933.
problems
The problems were that there was high winds, fog, and strong tides.
problems
Topic 4
They have steel anchors lining up along the bridge to keep it from swaying side to side.
solutions
Topic 5
pictures
Topic 6
That is the challenges and how it was built
conclusion
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