Fatigue Failure - PowerPoint PPT Presentation

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Fatigue Failure

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    1. Fatigue Failure Case Studies

    2. Tacoma Bridge Tacoma Narrows Washington

    3. Tacoma Bridge Built 1940 Failed 7th November 1940

    4. Tacoma Bridge Designed to withstand winds of 120 mph. Failed during a 42 mph wind

    5. Tacoma Bridge Failure due to resonance The natural frequency of the material occurred at wind speeds of 42 mph