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NON – DESTRUCTIVE AIRPORT PAVEMENT TESTING

NON – DESTRUCTIVE AIRPORT PAVEMENT TESTING. NDT Presentation Outline. Airport Pavement Roughness – to be presented by Dr. Hayhoe following NDT Nondestructive Airport Pavement Testing Survey Vehicle High Tire Pressure Grooving and Trafficking Improvements to BAKFAA

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NON – DESTRUCTIVE AIRPORT PAVEMENT TESTING

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  1. NON – DESTRUCTIVE AIRPORT PAVEMENT TESTING

  2. NDT Presentation Outline • Airport Pavement Roughness – to be presented by Dr. Hayhoe following NDT • Nondestructive Airport Pavement Testing Survey Vehicle • High Tire Pressure Grooving and Trafficking • Improvements to BAKFAA • Heavy Weight Deflectometer Roundup Update to Follow this Presentation

  3. Proposed Use of the FAA NDT Survey Vehicle ● The van is being used as a non-destructive pavement testing platform for airport pavement, ● The van is to be used in part to assess new and existing non-destructive airport pavement testing technology and software, ● The van will also be used to acquire non-destructive airport pavement testing data at international and general aviation airports for use at NAPTF and by NAPTF and contractor personnel.

  4. Status of the NDT Van • After final outfitting, the van will have pavement imaging, Ground Penetrating Radar, GPS, and laser profiling capabilities. • The vehicle was purchased in 2009 and delivered in June 2010. • The NDT van was delivered in September 2011. • The vehicle has completed interior modifications locally and imaging equipment has been used to assess CC-6.

  5. FAA NDT Survey Vehicle • Laser Based Pavement Imaging System 5

  6. FAA NDT Survey Van

  7. 2D Image from CC-6

  8. 3D Image from CC-6

  9. 2D Image from CC-6 Grooving

  10. Grooving and Trafficking High Tire Pressure (HTP) Area • Construct transverse rectangular and trapezoidal grooves in the HTP area. • Both types of grooves will constructed in heated and unheated sections of the HTP. • Profile before and after grooving. • Continue to profile at frequent intervals during trafficking. • Groove deviations will be monitored by Selcom laser profiles and physical measurement using tape measure and depth gage.

  11. Grooving and Trafficking High Tire Pressure (HTP) Area

  12. Grooving and Trafficking High Tire Pressure (HTP) Area

  13. Grooving and Trafficking High Tire Pressure (HTP) Area

  14. NAPTF Area for HTP Grooving

  15. Improvements to BAKFAA

  16. Supported File Types

  17. Joint Transfer Efficiency • Approaching • Loaded Deflection at the center of the plate compared with deflection at first sensor behind center (Sensor 3 at Offset=12.00) • Departing • Loaded Deflection at the center of the plate compared with deflection at first sensor in front of center (Sensor 1 at Offset=-12)

  18. Batch Mode Backcalculation • Save calculation results as .csv file • Graphical representation of calculated Modulus by selected record index • Multiple deflection record selection

  19. F/HWD Round Up

  20. 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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