Relationships Between the Fatigue Properties of Asphalt Binders and the Fatigue Performance of Asphalt Mixtures (2022) / Chapter Skim
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From page 78... ...
78 Conclusions and Suggested Research Conclusions On the basis of research conducted as part of NCHRP 09-59, the following 12 conclusions concerning the relationship between asphalt mixture fatigue performance and potential binder fatigue specification parameters can be made: 1. The fatigue life of an asphalt concrete mixture depends on many factors.
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Conclusions and Suggested Research 79 fatigue test temperatures unless addressed properly by local agencies. Selecting binders with low-temperature PG grades that do not meet the requirements for the local climate can also elevate the binder fatigue test temperature.
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80 Relationships Between the Fatigue Properties of Asphalt Binders and the Fatigue Performance of Asphalt Mixtures 4. This proposed maximum value for GRP and range for R-value should be considered tentative.
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From page 81... ...
Conclusions and Suggested Research 81 rather than DSR data. Some of this testing is planned as part of NCHRP 09-60; this additional work would only include BBR tests on those binders not scheduled for testing in NCHRP 09-60.
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From page 82... ...
82 Relationships Between the Fatigue Properties of Asphalt Binders and the Fatigue Performance of Asphalt Mixtures statement, which emphasized that only currently used standard technology should be considered in the project. Some barriers to implementation, however, will persist.
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