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FAA Falling/Heavy Weight Deflectometer Roundup at the National Airport Pavement Test Facility

FAA Falling/Heavy Weight Deflectometer Roundup at the National Airport Pavement Test Facility. Objectives. Compare F/HWD with single wheel module in both static and dynamic modes. Roundup Objectives. Compare backcalculated pavement material properties using available backcalculation programs,

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FAA Falling/Heavy Weight Deflectometer Roundup at the National Airport Pavement Test Facility

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  1. FAA Falling/Heavy Weight Deflectometer Roundup at the National Airport Pavement Test Facility

  2. Objectives • Compare F/HWD with single wheel module in both static and dynamic modes

  3. Roundup Objectives • Compare backcalculated pavement material properties using available backcalculation programs, • Evaluate specifications and methodologies for existing FWD-HWD equipment for use in pavement design and construction.

  4. Objectives • Evaluate deflection and time history data of different equipment.

  5. Overview of F/HWD Deflections

  6. FAA KUAB HWD

  7. MDD Under Static Loading 05Oct2010 ,09 -36 -01,s6c1m4.bin -- MDD-2 – STATIC LOAD

  8. Pressure Cell Under Static Loading 05Oct2010 ,09 -10 -25,s6c1m2.bin – PC-1 -- STATIC LOAD

  9. Strain Gage Under Static Loading 05Oct2010 ,10 -25 -50,s6c1m3.bin SG-1 - STATIC LOAD

  10. Future Enhancements • Provide F/HWD pavement response data; strain gages, MDD’s, and pressure cells, • Provide vehicle trafficking pavement response data, • In March 2012, F/HWD raw time history data was uploaded to the website.

  11. NAPTF Website • www.airporttech.tc.faa.gov/naptf SelectNews Open 2010 HWD - FWD Round-up

  12. Contact Information Al Larkin Federal Aviation Administration William J. Hughes Technical Center National Airport Pavement Test Facility Phone: (609) 485 – 5552 Email: albert.larkin@faa.gov

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