AASHTO M82-1975（2008） 国外国际标准.pdf

Standard Specification for Cutback Asphalt (Medium-Curing Type) AASHTO Designation: M 82-75 (2008) 1. SCOPE 1.1. This specification covers liquid petroleum products, produced by fluxing an asphaltic base with suitable petroleum distillates, to be used in the treatment of road surfaces. 1.2. The values stated in SI units are to be regarded as the standard. 2. GENERAL REQUIREMENTS 2.1. The cutback asphalt shall show no separation or curdling prior to use and shall not foam when heated to the application temperature. 3. PROPERTIES 3.1. Cutback asphalt of the grade designated shall conform to the requirements shown in Table 1. 4. METHODS OF SAMPLING AND TESTING 4.1. Sampling and testing cutback asphalt (medium-curing type) shall be in accordance with the following standard methods of the AASHTO and ASTM standards: T 40, Sampling Asphalt Materials T 44, Solubility of Bituminous Materials T 49, Penetration of Bituminous Materials T 51, Ductility of Asphalt Materials T 72, Saybolt Viscosity T 78, Distillation of Cutback Asphaltic (Bituminous) Products T 79, Flash Point with Tag Open-Cup Apparatus for Use with Material Having a Flash Point Less Than 93.3°C (200°F) T 102, Spot Test of Asphaltic Materials T 201, Kinematic Viscosity of Asphalts (Bitumens) T 202, Viscosity of Asphalts by Vacuum Capillary Viscometer ASTM D 95, Water in Petroleum Products and Bituminous Materials by Distillation TS-2a M 82-1 AASHTO