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  • AIRBUS INDUSTRIE, A380 Programme,AIRBUS INDUSTRIE, A380 Programme,Toulouse, FranceToulouse, France

    2525thth October 2001 October 2001

    LCPC / AIRBUS / STBALCPC / AIRBUS / STBAA380 PAVEMENT EXPERIMENTALA380 PAVEMENT EXPERIMENTAL

    PROGRAMMEPROGRAMME

  • LCPC / AIRBUS / STBAA380 PAVEMENT EXPERIMENTAL PROGRAMME

    AIRBUS INDUSTRIE, A380 Programme, Toulouse, France

    25th October 2001

  • Authors:

    Aroports de Paris

    M. Jean MARTIN

    Airbus

    M. Cyril FABRE

    Service Technique Des Bases Ariennes

    M. Jerome PETITJEANM. Vinkata BEZAVADA

    Laboratoire Central Des Ponts et Chausses

    M. Jean-Michel PIAUM. Jean BALAY

    BOGEST

    M. Alexis ALBINMme. Claire ALBIN

    CONTACTS

    Service Technique Des Bases AriennesM. Patrick LERAT - patrick.lerat@aviation-civile.gouv.frM. Arnaud MAZARS - arnaud.mazars@aviation-civile.gouv.fr

    AirbusM. Cyril FABRE - cyril.fabre@airbus.com

    Aroports de ParisM. Jean MARTIN - jean.martin@adp.frM. Jrme PETITJEAN - jerome.petitjean@adp.fr

    Laboratoire Central Des Ponts et ChaussesM. Jean BALAY - jean-maurice.balay@lcpc.fr

  • ITable of contents

    I- THE PROGRAM ................................................................................................................. 2

    I-1 THE OBJECTIVES ..............................................................................................................................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

    II- FLEXIBLE PHASE............................................................................................................. 8

    II-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

    II-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

    II-1-2 The instrumentation.......................................................................................................................32II-1-2-1 OBJECTIVES ........................................................................................................................................... 32II-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

    II-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............................................................................................................................................................ 50II-1-4-6 SAFETY EQUIPMENT ........................................................................................................................... 51II-1-4-7 MAINTENANCE ..................................................................................................................................... 51II-1-4-8 CONFIGURATION SAMPLES .............................................................................................................. 51

  • II

    II-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

    II-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 .................................................................................................................... 64II-2-3-2 TYPICAL CONFIGURATION TEST SEQUENCE ......................