Quote:
Originally Posted by Golf1echo
The Tacoma Narrows Bridge suffered that failure from uniform gusts of 30MPH or oscillation... Same force as to why soldiers break their step when marching across a bridge. In reality buildings and bridges are not stiffly erect, they sway, expand, and move or they fail....
Sorry about your thesis Caroline, probably helps to know what your talking about.
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It was the first thing I thought of when I read those words... 
__________________
Daniel
GM1 USNR (RET)
Si vis pacem, para bellum
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