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Cover of Improved Distress Viscosity Model for Reseal Intervention
Improved Distress Viscosity Model for Reseal Intervention
  • Publication no: AP-R270-05
  • ISBN: 0 85588 736 2
  • Published: 1 July 2005
An existing model predicted binder life by combining a binder hardening (increase in viscosity) model and a distress viscosity model. Inputs for the two models were site temperature parameters, binder durability (resistance to hardening) and seal size. The distress viscosity model was updated using new data from Victoria, Tasmania and Queensland. The new model was used to determine reseal intervention point for seals in different climatic regions in Australia. Reduction in bitumen durability from 10 days to 5 days resulted in a 27% decrease in estimated binder life.
  • AP-R270/05 Improved Distress Viscosity Model for Reseal Intervention
  • EXECUTIVE SUMMARY
  • CONTENTS
  • 1. INTRODUCTION
  • 2. ANALYSIS OF THE ORIGINAL DISTRESS VISCOSITY DATA SET
  • 3. UPDATED (2004) DATA SET
  • 4. CALCULATION OF INTERVENTION POINT AND BINDER LIFE
  • 5. DISCUSSION AND CONCLUSIONS
  • APPENDIX A: REQUEST FOR SAMPLING OF AGED SEALS SENT TO STATE ROAD AUTHORITIES
  • TABLES
  • FIGURES
  • INFORMATION RETRIEVAL
  • BIBLIOGRAPHY