AASHTO M 320-09
- 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 arerelated to the average seven-day maximum pavement design and minimum pavement designtemperatures. This specification contains Table 1, Table 2, and Table 3. If no table is specified, thedefault is Table 1.
1.2. Table 2 incorporates R 49 for determining the critical low cracking temperature using acombination of T 313 and T 314 test procedures.
1.3. Table 3 incorporates TP 70 (MSCR) for determining non-recoverable creep compliance, Jnr. ForTable 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°LC, see M 226.
Note 2--R 29 provides information for determining the performance grade of an asphalt binder.
1.2. Table 2 incorporates R 49 for determining the critical low cracking temperature using acombination of T 313 and T 314 test procedures.
1.3. Table 3 incorporates TP 70 (MSCR) for determining non-recoverable creep compliance, Jnr. ForTable 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°LC, see M 226.
Note 2--R 29 provides information for determining the performance grade of an asphalt binder.
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