Asphalt binders experience aging that occurs in two distinct stages under quite different conditions: (1) short-term during construction (plant mixing, storage, placement, and compaction) and (2) long-term during the service life of the pavement.
The TRB National Cooperative Highway Research Program's pre-publication ofNCHRP Research Report 967: Asphalt Binder Aging Methods to Accurately Reflect Mixture Aging documents research conducted to improve laboratory binder conditioning methods to accurately simulate the short-term and long-term aging of asphalt binders, and to calibrate the improved procedures to the aging that occurs during mixture production, transport, and placement as well as during the service life of the pavement structure.
Table of Contents
|Chapter 1 Background||13-14|
|Chapter 2 Research Approach||15-179|
|Chapter 3 Findings and Application||180-193|
|Chapter 4 Conclusions and Reccomendations||194-197|
|Appendix A Draft Appendix X1 to AASHTO R 28 and Commentary||200-218|
|Appendix B Draft Provisional Standard Practice for 0.8 mm Short- and Long-Term Conditioning of Asphalt Binder and Commentary||219-243|
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