A METHOD FOR ASPHALT OVERLAYS

A METHOD IS PRESENTED FOR EVALUATING A ROAD'S CONDITION, BOTH GEOMETRICALLY AND STRUCTURALLY. THE FIRST STEP IN THE EVALUATION PROCESS IS THE SURFACE CONDITION SURVEY. THE METHOD USED IS THE PRESENT SERVICEABILITY RATING (PSR) PROCEDURE DEVELOPED AT THE AASHO ROAD TEST, REFINED BY THE CANADIAN GOOD ROADS ASSOCIATION, AND REVISED SLIGHTLY BY THE ASPHALT INSTITUTE. THE NMEXT STEP IS A STRUCTURAL CONDITION SURVEY TO DETERMINE THE CURRENT ADEQUACY OF THE PAVEMENT AS WELL AS TO PREDICT ITS FUTURE SERVICE LIFE WITH RESPECT TO TRAFFIC. THIS IS ACCOMPLISHED THROUGH COMPONENT ANALYSIS OR REBOUND DEFLECTION ANALYSIS, BOTH OF WHICH ARE EXPLAINED USING REPRESENTATIVE EXAMPLES.

• Authors:
  • Pearring, J F
• Conference:
  • Arizona Conf Roads & Streets Proc
• Publication Date: 1972-4

Media Info

• Features: Figures;
• Pagination: p. 16-28

Subject/Index Terms

• TRT Terms: Asphalt pavements; Condition surveys; Evaluation; Forecasting; Overlays (Pavements); Service life; Serviceability; Structural analysis
• Uncontrolled Terms: Serviceability Index; Structural adequacy
• Subject Areas: Design; Highways; Pavements;

Filing Info

• Accession Number: 00206102
• Record Type: Publication
• Files: TRIS
• Created Date: Jul 31 1974 12:00AM