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Why we got it wrong: Tacoma narrows bridge 1940 Why we got it wrong: Tacoma narrows bridge 1940

Why we got it wrong: Tacoma narrows bridge 1940 - PowerPoint Presentation

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Uploaded On 2018-11-10

Why we got it wrong: Tacoma narrows bridge 1940 - PPT Presentation

Post collapse note the sagging deck Basics at the time At the time bridges were built as static no movement so the stress to the bridge was not considered when it came to wind or water flow The bridge was symmetric allowing the harmonics full range no direction of forces away from the stru ID: 726762

suspension bridge narrows wind bridge suspension wind narrows engineers tacoma 1940 bridges design deck eldridge moisseiff gertie collapse failure

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