This paper presents an innovative algorithm to calculate the displacement and stress fields within a multilayered pavement system using layered elastic theory and Hankel and Laplace integral transforms. In particular, a recurrence relationship, which links the Hankel transform of displacements and stresses at any point P(r,z) within a multilayered pavement system with those at the surface point, Q(r,0), is systematically derived. The Hankel transforms of displacements and stresses at any point within a multilayered pavement system can be explicitly determined using the derived recurrence relationships, and the subsequent inverse Hankel transforms give the displacements and stresses at the point of interest. Theoretical and computational verification of the proposed algorithm justify its correctness. The proposed algorithm does not use a numerical linear system solver employed in the traditional approach to solve the axisymmetric problems in multilayered pavement systems. Because of the explicitly derived recurrence relationships for displacements and stresses, the proposed algorithm provides a more rapid solution time than the stress-function-based approach utilized in existing layered elastic theory programs.


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    Title :

    Innovative Algorithm to Solve Axisymmetric Displacement and Stress Fields in Multilayered Pavement Systems


    Contributors:

    Published in:

    Publication date :

    2011-04-01


    Size :

    9 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English




    Innovative Algorithm to Solve Axisymmetric Displacement and Stress Fields in Multilayered Pavement Systems

    Wang, D. / Roesler, J.R. / Guo, D.-Z. | British Library Online Contents | 2011


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    General Formulation for Multilayered Pavement Systems

    Ioannides, A. M. / Khazanovich, L. | British Library Online Contents | 1998