A Markov decision model was developed to define optimal overlay maintenance strategies for in-service asphalt concrete pavements. This model was initially quantified by use of the subjective opinions of experienced highway engineers, and provisions were made to update these initial estimates with field data by means of Bayesian statistics. Optimal maintenance strategies were determined by minimizing the expected present value of total costs associated with a pavement and were considered to consist of highway department maintenance costs and excess user costs. The pavement maintenance management system developed provides a systematic and rational means for defining overlay maintenance policies and developing long-range plans for future maintenance together with a means for determining optimal use of available funds. Overlay maintenance alternatives considered were thin, medium, and thick overlays. Results indicated that, when overlay maintenance was required, medium or thick overlays representative of 10- and 20-year design periods respectively were optimal.

Media Info

  • Media Type: Print
  • Features: Figures; References; Tables;
  • Pagination: pp 17-25
  • Monograph Title: Maintenance management, the federal role, unionization, pavement maintenance, and ice control
  • Serial:

Subject/Index Terms

Filing Info

  • Accession Number: 00153144
  • Record Type: Publication
  • ISBN: 0309025672
  • Files: TRIS, TRB
  • Created Date: May 31 1996 12:00AM