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AIRBUS INDUSTRIE, A380 Programme,AIRBUS INDUSTRIE, A380 Programme,
Toulouse, FranceToulouse, France
2525thth October 2001October 2001
LCPC / AIRBUS / STBALCPC / AIRBUS / STBA
A380 PAVEMENT EXPERIMENTALA380 PAVEMENT EXPERIMENTAL
PROGRAMMEPROGRAMME
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LCPC / AIRBUS / STBA
A380 PAVEMENT EXPERIMENTAL PROGRAMME
AIRBUS INDUSTRIE, A380 Programme, Toulouse, France
25th October 2001
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Authors:
Aroports de Paris
M. J ean MARTIN
Airbus
M. Cyril FABRE
Service Technique Des Bases Ariennes
M. J erome PETITJEANM. Vinkata BEZAVADA
Laboratoire Central Des Ponts et Chausses
M. J ean-Michel PIAUM. J ean BALAY
BOGEST
M. Alexis ALBINMme. Claire ALBIN
CONTACTS
Service Technique Des Bases AriennesM. Patrick LERAT - [email protected] Arnaud MAZARS - [email protected]
AirbusM. Cyril FABRE - [email protected]
Aroports de ParisM. J ean MARTIN - [email protected]
M. J rme PETITJ EAN - [email protected]
Laboratoire Central Des Ponts et ChaussesM. J ean BALAY - [email protected]
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Table of contents
I- THE PROGRAM .................................................................................................................2I-1 THE OBJ ECTIVES..............................................................................................................................2
I-1-1 A380 Landing gear definition philosophy....................................................................................3
I-1-2 Pavement Design method..................................................................................................................4
I-2 PARTNERSHIP.....................................................................................................................................5
I-3 The Phase and the TIMETABLE........................................................................................................6
I I- FLEXIBLE PHASE.............................................................................................................8
I I-1 Testing Facilities and Means..............................................................................................................8
II-1-0 ALIZ Software...........................................................................................................................8II-1-0-1 PRESENTATION.......................................................................................................................................8II-1-0-2 COMPARISON WITH CIRCLY / APSDS...............................................................................................9II-1-0-3 PRELIMINARY STUDIES......................................................................................................................13
I I-1-1 The Runway.....................................................................................................................................14II-1-1-1 SITE SELECTION....................................................................................................................................14II-1-1-2 SPECIFICATION.....................................................................................................................................15II-1-1-2-1 Pavements structure...............................................................................................................................15II-1-1-2-2 Experimental Area.................................................................................................................................19II-1-1-2-3 Pavements construction......................................................................................................................... 20
I I-1-2 The instrumentation.......................................................................................................................32II-1-2-1 OBJECTIVES ...........................................................................................................................................32
II-1-2-2 DESCRIPTION OF THE INSTRUMENTATION USED......................................................................32II-1-2-2-1 Resilient strain measurements............................................................................................................... 32II-1-2-2-2 Transverse profiles of measurement.....................................................................................................34II-1-2-2-3 Deflection bowl measurement............................................................................................................... 36II-1-2-2-4 Temperature measurement.................................................................................................................... 36II-1-2-2-5 Instrumentation during fatigue test.......................................................................................................37II-1-2-3 INSTALLATION OF THE INSTRUMENTATION..............................................................................37
I I-1-3 Data acquisition unit ......................................................................................................................38
II-1-4The Simulation Vehicle Turtle.....................................................................................................39II-1-4-1 OBJECTIVES ...........................................................................................................................................39II-1-4-2 DESCRIPTION.........................................................................................................................................40II-1-4-2-1 Modularity.............................................................................................................................................. 40II-1-4-2-2 Load on the subgrade............................................................................................................................. 45II-1-4-2-3 Vehicle motorization............................................................................................................................. 45II-1-4-2-4 Direction Trajectory........................................................................................................................... 46II-1-4-2-5 Acclivity................................................................................................................................................. 47II-1-4-2-6 Control panel.......................................................................................................................................... 47II-1-4-2-7 Configuration modification................................................................................................................... 48II-1-4-2-8 Vehicle design........................................................................................................................................ 49II-1-4-2-9 Recycling materials...............................................................................................................................49II-1-4-2-10 Safety Ergonomic............................................................................................................................. 49II-1-4-3 STATIC TESTS PROCEDURE...............................................................................................................49II-1-4-4 FATIGUE TESTS STEPS........................................................................................................................50II-1-4-5 USE............................................................................................................................................................ 50
II-1-4-6 SAFETY EQUIPMENT ...........................................................................................................................51II-1-4-7 MAINTENANCE .....................................................................................................................................51II-1-4-8 CONFIGURATION SAMPLES ..............................................................................................................51
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II
I I-2 THE STATIC TESTS........................................................................................................................60
II-2-1 Objectives.........................................................................................................................................60
II-2-2 Configuration selection..................................................................................................................61II-2-2-1 TIMETABLE ............................................................................................................................................61II-2-2-2 LIST OF CONFIGURATIONS & ISSUES.............................................................................................61
I I-2-3 Test procedures...............................................................................................................................64II-2-3-1 REFERENCE LOAD................................................................................................................................64II-2-3-1-1 Why the reference load is necessary.....................................................................................................64II-2-3-1-2 Reference load procedures...............................
