A METHOD OF DEALING WITH THE UNCERTAINTIES INVOLVED IN THE CONSIDERATION OF VARIOUS ALTERNATIVES IN THE PROVISION OF ASPHALT OVERLAYS

THE EXTENT OF THE PROBLEM OF SAFEGUARDING THE INVESTMENT IN THE EXISTING ROAD SYSTEM IS BRIEFLY OUTLINED. THE RATIONALE FOR ROAD MAINTENANCE, AND THE ROLE OF ASPHALT OVERLAYS AS MAINTENANCE MEASURE ARE REVIEWED. IN DEVELOPING A NATIONAL POLICY FOR ROAD MAINTENANCE, AND SPECIFICALLY FOR THE USE OF ASPHALT OVERLAYS, A NUMBER OF IMPORTANT CONSIDERATIONS SUCH AS THE ASSESSMENT OF THE PRESENT PAVEMENT CONDITION AND THE DESIGN METHOD ARE INVOLVED. IT IS POINTED OUT THAT AT THE PRESENT TIME KNOWLEDGE IN THESE AREAS IS DEFICIENT. A METHOD OF APPROACH TO DEAL WITH THE PROBLEM OF DECISION-MAKING UNDER CONDITIONS OF UNCERTAINITY IN RELATION TO ASPHALT OVERLAYS IS SUGGESTED. THIS IS ILLUSTRATED BY MEANS OF AN EXAMPLE OF A HYPOTHETICAL MAINTENANCE PROBLEM.

• Supplemental Notes:
  • Rept No RE/4/72
• Publication Date: 1973-3

Media Info

• Serial:
  • Via /South Africa/
  • Volume: jg14
  • Issue Number: n1

Subject/Index Terms

• TRT Terms: Asphalt; Decision making; Design; Highways; Investments; Methodology; Overlays (Pavements); Pavement maintenance; Roads
• Subject Areas: Design; Highways; Maintenance and Preservation;

Filing Info

• Accession Number: 00219187
• Record Type: Publication
• Source Agency: Nat Inst Road Research /S Africa
• Report/Paper Numbers: Internal
• Files: TRIS
• Created Date: Apr 27 1974 12:00AM