Tiêu chuẩn quốc tế

• Số hiệu / Standard Number: AASHTO M 80:2013
• Năm ban hành / Publication date: 2013
• Tình trạng / Status: A - Còn hiệu lực
• Tên tiếng Anh / Title in English: Standard Specification for Coarse Aggregate for Hydraulic Cement Concrete
• Thay thế cho / Replace: AASHTO M 80:2008
• Số trang / Page: 5

Phạm vi áp dụng / Scope of standard

This specification covers coarse aggregate, other than lightweight aggregate, for use in concrete. Several classes and gradings of coarse aggregate are described (Notes 1 and 2). Specifications for fine aggregate are provided in M 6.

Note 1-This specification is regarded as adequate to ensure satisfactory materials for most concrete. It is recognized that, for certain work or in certain regions, it may be either more or less restrictive than needed.

Note 2-Definitions of terms used in this specification may be found in ASTM C125.

The values stated in SI units are to be regarded as the standard.