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Tacoma Narrows Bridge Vibration Issues by Khánh Ngọc is a document available to read on EtoBox.

1) The Tacoma Narrows Bridge opened in 1940 but had significant design flaws that caused it to sway in even mild winds, earning it the nickname "Galloping Gertie". 2) In late 1940, a new torsional mode of vibration began affecting the bridge in 40kmph winds, with one side rising as the other fell but the center remaining level, resembling a flapping butterfly wing. 3) Engineers now understand this torsional mode to be extremely difficult to detect and it led to the bridge

Author

Khánh Ngọc

Language

EN