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Cognex Corp. - Smart Sensor 3-24 GIF LB

Sensors and New Materials Build Smart Bridges

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Brent D. Johnson

Armies of workers laid 650,000 miles of road and erected 75,000 bridges from 1935 through 1939 under the Works Progress Administration. The program was an unqualified success, and these structures remain a large part of the highway system in the US. Nearly 70 years later, the roads and bridges show signs of age and may require major retrofitting over the next decade. As new technologies for rebuilding and extending their lifetimes come online, new means of testing their durability may further enhance construction methods. Steve E. Watkins, director of the Applied Optics Laboratory at...Read full article

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    Published: September 2003
    Accent on ApplicationsApplicationsbridgesCoatingsCommunicationsfiber-reinforced polymerMaterialsreal-time strain analysisSensors & Detectors

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