FAAFAAAirport Technology Airport Technology

Research & Development ProgramResearch & Development Program

Air Transport Committee

ASCE National Capitol Section

March 22, 2005

FAA Airport Technology FAA Airport Technology Research & DevelopmentResearch & Development

Airport Wildlife Hazard Abatement

Airport Planning Technology

Runway Surface Technology

Visual Guidance & Airport Markings

Airport Rescue & Firefighting Technology

Airport Pavement Technology

National Airport Pavement Test Facility

Non-Destructive Testing

New Pavement Materials

Airport Wildlife HazardsAirport Wildlife Hazards

Who is cleared for takeoff???

“Taxiing”

“Takeoff”

“Departure”

? Radar Calibration ?

WARNING!!! Duck Before Crossing Runway

Runway Surface TechnologyRunway Surface Technology

Pilot – “When did they put a highway here?”Pilot – “When did they put a highway here?”

Overrun at BurbankOverrun at Burbank

““Jet-A Please”Jet-A Please”

Who Said Concrete Is Heavy?

Overrun at JFKOverrun at JFK

Visual Guidance & Paint MarkingsVisual Guidance & Paint Markings

Eat More Chicken!!!Eat More Chicken!!!

Old TechnologyOld Technology

New TechnologyNew Technology

Do you know where you are?

Oops!!!Oops!!!

Airport Rescue & Firefighting Airport Rescue & Firefighting TechnologyTechnology

Tilt Table TestingTilt Table Testing

The Shape Of Things To ComeThe Shape Of Things To Come

Max Slide Length – 55.45 ftMax Slide Length – 55.45 ft

Why We Need Stronger Pavement?Why We Need Stronger Pavement?

Airport PavementAirport Pavement

BWB AircraftBWB Aircraft

Can you count the wheels?

BETA Testing

1996

1998

2000

2002

2004

2006

Development of Development of Advanced Airport Pavement Design ProceduresAdvanced Airport Pavement Design Procedures

LEDFAA 1.2(AC 150/5320-6)

ADVANCED MATERIAL

MODELS

NEW STRUCTURAL

MODELS

Advanced Airport Pavement Advanced Airport Pavement Design Project BenefitsDesign Project Benefits

Potential capital costs avoided.– Avoid restricting loads of air carriers.– Avoid unnecessary strengthening of existing

pavements and structures.– Avoid cost of delays.

$1.7 billion of capital costs avoided over the next several years.

National Airport Pavement National Airport Pavement Test Facility (NAPTF) Test Facility (NAPTF)

Required For:Required For:

FAA design procedures for multiple-wheel landing gears, flexible and rigid– precipitated by B-777 6-wheel– NLA (A380, B-747 Stretches)

Aircraft design (number of wheels, number of gears, configuration - NLA and HSCT)

ICAO ACN-PCN

WhoWhoFAA / Boeing Cooperative R&D Agreement

– Funding and Technical Specifications– Management Board– Advisory Working Group

Corps of Engineers, Philadelphia District– Design Build Contract Administration

DMJM/Cornell– Design Build Contractor

Working Group Working Group RepresentationRepresentation

– FAA and Boeing– University of Illinois FAA Center of

Excellence– US Army, Air Force, and Navy– ACPA, Asphalt Institute– Canadian, French, Australian Government– PANY&NJ, BAA, ADP, Narita– Visitors

WhenWhenAAS requirements meetingFirst AAR W.G. meetingBrochureDesign and Cost StudyRFPContract awardedCompleted (handover)Response tests completed

January, 1992

October, 1992

July, 1993

October, 1993

May, 1995

June, 1996

April, 1999

October, 1999

HowHowDesign / Build ContractDMJM / Cornell Joint Venture

– Weidlinger for foundations– CTL for pavement instrumentation– Cornell and Design Projects for test vehicle– ARA for pavement design (except thickness)

U.S. Army Corps of Engineers, Philadelphia District, for project management

How MuchHow Much

$21 million total contract– $14 million - FAA– $7 million - Boeing Commercial Airplane Co.

$1 to $3 million continuing annual costs (depending on pavement reconstruction) provided by FAA

NAPTFNAPTF

Aerial View During Construction

Trafficking Rigid PavementTrafficking Rigid Pavement

Trafficking a Severely Rutted Trafficking a Severely Rutted Flexible PavementFlexible Pavement

Fun For Some…..Data For OthersFun For Some…..Data For Others

Trench in CC3-LFC2Trench in CC3-LFC2

Upheaval

Profiles are at 1,000 repetition intervals.Final is 13,200 repetitions.

MFC2 Transverse ProfilesMFC2 Transverse Profilesfrom Start to Finishfrom Start to Finish

Pavement Software ProductsPavement Software Products2006 FAARFIELD FAA Rigid and Flexible Interactive Elastic Layer Design: Fully tested

design procedures incorporating 3D Finite Element responses for rigid..

2003 FEDFAA Beta design program incorporates 3D Finite Element response model for rigid pavement, LEAF for flexible pavement.

2003 FEAFAA 3D Finite Element analysis of rigid pavements, runs on desktop PC.

2003 LEDFAA version 1.3

32-bit program uses LEAF for layered elastic analysis. Updated aircraft library includes A380. Incorporated in AC 150/5320-6D, Change 3.

2002 BACKFAA Backcalculation of elastic properties using LEAF. Also used for LEAF development.

2002 COMFAA Computes pavement strength and thickness by ACN and FAA methods.

2001 LEAF Layered Elastic Analysis – FAA: Layered elastic analysis program for 32-bit Windows, replaces JULEA.

1995 LEDFAA version 1.2

Layered Elastic Design – FAA: Pavement design program for Windows, uses JULEA for layered elastic analysis. Part of AC 150/5320-16 (Pavement Design for B-777). Program and AC cancelled April 30, 2004.

All programs for use on desktop PCs

Report on Operational Report on Operational Life of Airport Life of Airport PavementsPavements

“…determine whether the FAA standards used to determine the appropriate thickness for asphalt and concrete airfield pavements are in accordance with the FAA’s standard

20-year-life requirement...”

FY04 Congressionally Mandated Report

Final ReportDOT/FAA/AR-04/46 Office of Aviation Research Washington, D.C. 20591 December 2004

Operational Life of Airport Pavements

“… airport pavements designed following AC 150/4320-6D have sufficient thickness to provide

a 20-year structural life.”

Available fromhttp://actlibrary.tc.faa.gov

or http://www.airporttech.tc.faa.gov

ACN Analysis for ICAOACN Analysis for ICAO

Establish alpha factor for six-wheel gears from.– Existing theoretical framework– Combined NAPTF and previous test data

Report has been prepared and submitted for consideration by the ICAO ACN Study Group.

Pavement Design WorkshopsPavement Design Workshops(FEDFAA Beta / LEDFAA 1.3)(FEDFAA Beta / LEDFAA 1.3)

Four pavement design workshops in 2004:– Tokyo, Japan (May 2004)– Denver, CO (June 22)– Arlington, VA (July 29).– Beijing, China (Sept. 27-29)

Covered updates to LEDFAA 1.3 software.Introduced FEDFAA Beta.Additional workshops planned in 2005-06.

FEDFAA Beta ReleaseFEDFAA Beta Release Evaluation version of FEDFAA posted on

the AAR-410 web site September 2003. FEDFAA 1.3 Beta posted September 8,

2004. http://www.airporttech.tc.faa.gov. The beta release demonstrates all planned

functionality of the new program. Beta design thicknesses are preliminary.

– Version 1.3 gives thicknesses approximately the same to thinner as existing design procedures.

AchievmentsAchievmentsSavings from reduced thickness

requirements.Savings from avoidance of pavement

strengthening.Guidance for ICAO ACN for six-wheel

gears.Guidance for runway shoulder conversion

for Group 6 aircraft (FAA Engineering Brief 65)

Our WebsiteOur Website

http://www.airporttech.tc.faa.gov