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Portable bench tester for piezo weigh-in-motion equipment : final report, June 2006.
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    Final report.
  • NTL Classification:
    NTL-FREIGHT-Trucking Industry
  • Abstract:
    The Ohio Department of Transportation's (ODOT) piezo weigh-in-motion (WIM) equipment must be tested for initial working operation and to insure continued correct operation. Currently, the only available method to verify the vehicle classification parameters of the piezo WIM equipment is field-testing. Field-testing requires either duplicate WIM equipment and sensor installations or a single sensor installation site coupled with manual counts to provide the basis for evaluation of the device under test. Both the duplicate equipment and the manual counting methods are expensive, time intensive, and expose the field personnel to roadway hazards. Manual counting may also introduce human error, and provides no basis of evaluation for the weighing accuracy of the device under test.

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