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October 28, 2010

"Movable Steel Bridges" (video review)

London's famous tower bridge lifts its bascules for giant ship to pass,
October 1970

© AP Photo
Source: AP Images

Movable Steel Bridges: Historical Survey: Draw, Bascule, Lift and Swing Bridges
H. de Jong & N.G.M. Muyen, program of the Faculty of Civil Engineering, Delft University of Technology

An excellent film for demonstrating the mechanics of how bridges work, "Movable Steel Bridges" provides an in-depth look at various types of bridges, their technical features, and designs. Beginning with a basic introduction on movable bridges and their origins, it traces the development of bridges used for everything from defense to transportation. The major focus is given to four main types of bridges, namely the drawbridge, the bascule bridge, the lift bridge, and the swing bridge. Incredibly detailed diagrams are utilized to show the lifting process and technicalities for each bridge as well as the various advancements in bridge construction. On the whole it is a fabulous resource for understanding the engineering behind movable bridges.

This video is among the many available to borrow from the Visual Resources Center in the Art, Architecture and Engineering Library. Search for videos in Mirlyn or in our video database.

Posted by rmassare at October 28, 2010 10:00 AM


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