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February 21, 2008

Building a faster, cheaper bridge

  • A Chicago man has developed a hybrid-composite structural beam that weighs one-tenth that of its standard counterpart.
    • By JON SILVER
    Journal Staff Reporter

    Photo courtesy of HC Bridge Co. [enlarge]
    John Hillman stands under the first composite railroad bridge in Colorado.

    JOHN HILLMAN has an invention that could make bridges cheaper and faster to build.


     
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