Pavement response instrumentation was embedded in an operational airfield to collect real-time pavement response data, including stress, strain, and environmental response values. While this instrumentation collects aircraft response data daily, the location of each aircraft in comparison to the instrumentation locations fluctuates due to lateral variations in aircraft position during taxi, takeoff, and landing operations. This paper presents data collected during controlled live aircraft operations to evaluate pavement structural responses to aircraft loadings where the wheel locations were accurately measured. The field testing involved taxiing aircraft at slow speed at specific lateral offset locations to produce direct alignment of aircraft landing gear and embedded instrumentation. Vertical pressure responses from this controlled testing were compared to calculated results using a versatile layered elastic code known as Layered Elastic Analysis of Generalized Loadings (LEAGL), an algorithm capable of simulating normal-nonuniform and horizontal-unidirectional loading. Results showed that simulating the contact pressure as nonuniform in nature produced improved predictions of vertical stress response with depth compared to EPC-measured pressures.


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    Title :

    Pavement Structural Response under Controlled Live Aircraft Loading


    Contributors:

    Conference:

    International Airfield and Highway Pavements Conference 2025 ; 2025 ; Glendale, Arizona



    Publication date :

    2025-06-05




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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