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About This Item

 

Full Description

This specification covers asphalt binders graded by performance. Grading designations are related to the average seven-day maximum pavement design temperature and the minimum pavement design temperature. This specification contains Table 1 and Table 2. If no table is specified, the default is Table 1.
Table 2 incorporates R 49 for determining the critical low cracking temperature using a combination of T 313 and T 314 test procedures.
Note 1 - For asphalt cements graded by viscosity at 60°C, see M 226.
Note 2 - R 29 provides information for determining the performance grade of an asphalt binder.
Note 3 - For specifying performance-graded asphalt binder using Multiple Stress Creep Recovery
(MSCR), see M 332.

 

Document History

  1. AASHTO M 320-21

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    Standard Specification for Performance-Graded Asphalt Binder

    • Most Recent
  2. AASHTO M 320-17


    Standard Specification for Performance-Graded Asphalt Binder

    • Historical Version
  3. AASHTO M 320-16


    Standard Specification for Performance-Graded Asphalt Binder

    • Historical Version
  4. AASHTO M 320-10 (2015)


    Standard Specification for Performance-Graded Asphalt Binder

    • Historical Version
  5. AASHTO M 320-09


    Standard Specification for Performance-Graded Asphalt Binder

    • Historical Version
  6. AASHTO M 320-05


    Standard Specification for Performance-Graded Asphalt Binder

    • Historical Version