Time rate of local scour at complex bridge piers field and laboratory analyses : final report, April 2009.
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Time rate of local scour at complex bridge piers field and laboratory analyses : final report, April 2009.

  • Published Date:

    2009-04-01

  • Language:
    English
Filetype[PDF-2.62 MB]


Details:
  • Resource Type:
  • Geographical Coverage:
  • OCLC Number:
    694771625
  • Edition:
    Final report.
  • NTL Classification:
    NTL-HIGHWAY/ROAD TRANSPORTATION-Bridges and Structures
  • Abstract:
    A local scour evolution field study was conducted under this contract. One of the piers on the A1A Bridge over the Intracoastal Waterway (ICCW) in Fort Pierce, Florida was selected for the test site. The existing local scour hole was filled with sand from a nearby channel dredging project and the pier instrumented and monitored for a period of 164 days (November 5, 2008 to April 17, 2009). The instrumentation consisted of three acoustic scour depth meters, a bottom mounted, upward looking ADCP for measuring the flow velocity profile, a bottom mounted pressure transducer for measuring water depths and wave parameters and a temperature gauge for measuring water temperatures. The installation was operational and collected data for 164 days. Unfortunately, there were no significant flow events during this time period and therefore the local scour was minimal. There is, however, an effort underway to obtain the necessary funding to extend the deployment period.
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