Tacoma Narrows Bridge
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Tacoma Narrows Bridge Nicole Grubb
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Transcript of Tacoma Narrows Bridge
TacomaNarrowsBridge
Nicole
Grubb
Early Signs
“Galloping Gertie”
Width to Length of Center Span
1:72
1:47
The Collapse
What Happened
Cable Slip
Change in Gallop
“Self-Excited” Torsional Flutter
Failure
Faults in Design
Flexibility
Stiffening Girders 1:350