Iranian Journal of Mechanical Engineering Transactions of ISME

Iranian Journal of Mechanical Engineering Transactions of ISME

Study of rutting effect on the mechanical behavior of asphalt pavement under moving loads

Authors
Mohammad shojaeifard 1
Mostafa Baghani 2
Hamid Shahsavari 1
Roozbeh Eghbalpoor 1
1 School of mechanical engineering, college of engineering, University of Tehran, Tehran, Iran
2 Pardis Fanni 2, Kargar Shomali St.
Abstract
Rutting is one of the most critical distresses influenced the asphalt pavement performance and its service life. Due to the complexity of the mechanical asphalt pavement responses, to study the mechanical behavior of this material under applying loads, a thermodynamically consistent visco- elastic visco- plastic visco- damage constitutive model has been presented in the implicit time discrete form to predict their mechanical responses within the framework pf the finite element method in software ABAQUS- Standard. It is worthy to mention that employing an implicit time discretization technique reduces the computational cost and a more stable solution is found. In this work, rutting phenomenon and prediction of the asphalt pavement service life has been investigated under three types of moving loading regimes, which forty percent of rutting difference has been obtained by comparing the pulse and equivalent loadings under moving load that would cause erroneous predictions in asphalt pavement service life.
Keywords
Asphalt pavement
Rutting phenomena
Finite element modeling
Implicit Discretization
Moving load

Subjects

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Iranian Journal of Mechanical Engineering Transactions of ISME
Volume 21, Issue 3 - Serial Number 56
System Dynamics and Solid Mechanics
Autumn 2019
Pages 27-52

  • Receive Date 23 November 2017
  • Revise Date 13 February 2018
  • Accept Date 07 July 2019