On the anniversary of the collapse in 1940 of “Galloping Gertie,” the Tacoma Narrows suspension bridge that connected Tacoma, Washington and Gig Harbor, you can use this site to explore the basics of the beam bridge, arch bridge, and suspension bridge. Easy-to-understand vocabulary definitions are accompanied by pictures of various types of bridges throughout the United States, and clear illustrations of how compression and tension are addressed in each type of bridge. Users can earn their junior engineering accolades by passing the quiz at the end of the presentation.
courtesy of netTrekker
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