AASHTO M208-2001（2009） 国外国际标准.pdf

Standard Specification for Cationic Emulsified Asphalt AASHTO Designation: M 208-01 (2009) ASTM Designation: D 2397-02 1. SCOPE 1.1. This specification covers seven grades of cationic emulsified asphalt for use in pavement construction in the manner designated. Note 1—See M 140 for emulsions other than cationic. 1.2. The values stated in SI units are to be regarded as the standard. 2. REFERENCED DOCUMENTS 2.1. AASHTO Standards : M 140, Emulsified Asphalt R 5, Selection and Use of Emulsified Asphalts T 40, Sampling Asphalt Materials T 59, Emulsified Asphalts 3. REQUIREMENTS 3.1. Within 14 days after delivery, and provided separation has not been caused by freezing, the emulsified asphalt shall be homogeneous after thorough mixing. 3.2. Emulsified asphalt shall conform to the requirements in Table 1. TS-2a M 208-1 AASHTO © 2011 by the American Association of State Highway and Transportation Officials. All rights reserved. Duplication is a violation of applicable law. T S Table 1—Requirements and Typical Applications for Cationic Emulsified Asphalta - 2 a Type Rapid-Setting Medium-Setting Slow-Setting Quick-Setting Grade CRS -1 CRS-2 CMS-2 CMS-2 h CSS-1 CSS-1 h CQS-1 h Min M