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Presented to: 2012 FAA Airport Pavement Working Group Meeting By: Al Larkin, FAA Airport Technology R & D and Josh Davis, SRA Date: April 25, 2012 Federal.

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Presentation on theme: "Presented to: 2012 FAA Airport Pavement Working Group Meeting By: Al Larkin, FAA Airport Technology R & D and Josh Davis, SRA Date: April 25, 2012 Federal."— Presentation transcript:

1 Presented to: 2012 FAA Airport Pavement Working Group Meeting By: Al Larkin, FAA Airport Technology R & D and Josh Davis, SRA Date: April 25, 2012 Federal Aviation Administration FAA Falling/Heavy Weight Deflectometer Roundup at the National Airport Pavement Test Facility

2 2 Federal Aviation Administration FAA F/HWD ROUND-UP UPDATE April 25, 2012 Objectives Compare F/HWD with single wheel module in both static and dynamic modes

3 3 Federal Aviation Administration FAA F/HWD ROUND-UP UPDATE April 25, 2012 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 4 Federal Aviation Administration FAA F/HWD ROUND-UP UPDATE April 25, 2012 Evaluate deflection and time history data of different equipment. Objectives

5 5 Federal Aviation Administration FAA F/HWD ROUND-UP UPDATE April 25, 2012 Overview of F/HWD Deflections

6 6 Federal Aviation Administration FAA F/HWD ROUND-UP UPDATE April 25, 2012 FAA KUAB HWD

7 7 Federal Aviation Administration FAA F/HWD ROUND-UP UPDATE April 25, 2012 MDD Under Static Loading 05Oct2010, ,s6c1m4.bin -- MDD-2 – STATIC LOAD

8 8 Federal Aviation Administration FAA F/HWD ROUND-UP UPDATE April 25, 2012 Pressure Cell Under Static Loading 05Oct2010, ,s6c1m2.bin – PC-1 -- STATIC LOAD

9 9 Federal Aviation Administration FAA F/HWD ROUND-UP UPDATE April 25, 2012 Strain Gage Under Static Loading 05Oct2010, ,s6c1m3.bin SG-1 - STATIC LOAD

10 10 Federal Aviation Administration FAA F/HWD ROUND-UP UPDATE April 25, 2012 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 11 Federal Aviation Administration FAA F/HWD ROUND-UP UPDATE April 25, 2012 NAPTF Website SelectNews Open 2010 HWD - FWD Round-up

12 12 Federal Aviation Administration FAA F/HWD ROUND-UP UPDATE April 25, 2012 Contact Information Al Larkin Federal Aviation Administration William J. Hughes Technical Center National Airport Pavement Test Facility Phone: (609) 485 –


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