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April 1, 2010

Researchers test quake-proof framing system

  • The system has steel fuses that are designed to flex and dissipate energy while vertical tendons return the frame to its original position after an earthquake.
    Journal Staff Reporter

    Image courtesy of the University of Illinois [enlarge]
    A new structural system was tested last summer on the world’s largest shake table, at E-Defense in Japan.

    Even buildings designed to withstand earthquakes can suffer serious damage when a big one hits. The motion can exert enough stress on the structures to make them unfit for use. Lives are saved, but the buildings face costly repairs or even demolition.

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