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SMA Cables Help Bridges Resist Quakes
13 May 2008, 10:36

Categories: smt-polymorphic-shape-shifters smart-materials-smt

During an earthquake, concrete-and-steel decks of bridges can become unseated from the supports they rest on, with devastating consequences for anyone on or underneath them. Now a team of international researchers, from Georgia Institute of Technology (Georgia Tech) in Atlanta and the University of Pavia European School for Advanced Studies in Reduction of Seismic Risk (ROSE School) in Italy, has demonstrated for the first time that anchoring the decks of bridges or highway overpasses with restraining cables made from shape memory alloys, rather than traditional steel cables, could help the structures survive quakes or hurricanes.

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