AASHTO M 147
Standard Specification for Materials for Aggregate and Soil–Aggregate Subbase, Base, and Surface Courses
|Publication Date:||1 January 2017|
This specification covers the quality and grading of sand-clay mixtures; gravel, stone, or slag screenings; or sand, crusher run coarse aggregate consisting of gravel, crushed stone, or slag with or without soil mortar or any combination of these materials for use in the construction of subbase, base, and surface courses. The values stated in SI units are to be regarded as the standard.