Full-time sensors can detect bridge defects

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Dennis Roach with a Comparative Vacuum Monitoring (CVM) device showing galleries etched into the sensors underside. (Photo by Randy Montoya)
Dennis Roach with a Comparative Vacuum Monitoring (CVM) device showing galleries etched into the sensor's underside. (Photo by Randy Montoya)

Networks of small, permanently mounted sensors could soon check continuously for the formation of structural defects in I-beams and other critical structural supports of bridges and highway overpasses, giving structural engineers a better chance of heading off catastrophic failures.


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