Modelling of crack initiation and growth in flexible pavements for urban local roads

Bituminous pavements are non-homogeneous composites constructed on nonhomogeneous layers (base and sub-grade) and subjected to a range of stresses and conditions. Their behaviour and response to these stresses depends largely on the characteristics of the layer in which they initiate and on the progression mechanism within the pavement structure. Modelling of AC pavements in local roads is complicated by the fact that these pavements are constructed to different standards than pavements on main roads and their quality is rarely tested. Most of these thin AC pavements crack due to fatigue by thermal stresses rather than by stresses induced on their surfaces from traffic-loading related cycles. The effective management of cracks in local road pavements requires a model that can simulate the mechanisms of pavement distresses under particular conditions in which the cracks are initiated and then develop. This paper proposes an empirical model for crack initiation and growth that was developed from field studies carried out on more than fifty local road pavements in Victorian urban areas.


  • English

Media Info

  • Pagination: 575-86 (Book 1)
  • Monograph Title: Proceedings of the papers submitted for review: Eurasphalt and Eurobitume Congress

Subject/Index Terms

Filing Info

  • Accession Number: 01392561
  • Record Type: Publication
  • Source Agency: ARRB
  • Files: ATRI
  • Created Date: Aug 23 2012 7:14AM