AASHTO M 320-17
- Standard Specification for Performance-Graded Asphalt Binder
- standard by American Association of State and Highway Transporta
- Category: AASHTO
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This specification covers asphalt binders graded by performance. Grading designations are related to the average seven-day maximum pavement design and minimum pavement design temperatures. This specification contains Table 1, Table 2, and Table 3.
Table 2 incorporates R 49 for determining the critical low cracking temperature using a combination of T 313 and T 314 test procedures. If no table is specified, the default is Table 1.
Table 3 incorporates TP 70 (MSCR) for determining non-recoverable creep compliance, Jnr. For Table 3, "S", "H", or "V" grade must be specified for standard, high, or very high traffic loading, respectively.
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.
Table 2 incorporates R 49 for determining the critical low cracking temperature using a combination of T 313 and T 314 test procedures. If no table is specified, the default is Table 1.
Table 3 incorporates TP 70 (MSCR) for determining non-recoverable creep compliance, Jnr. For Table 3, "S", "H", or "V" grade must be specified for standard, high, or very high traffic loading, respectively.
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.
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