Tiêu chuẩn quốc tế

• Số hiệu / Standard Number: AASHTO T 27:2020
• Năm ban hành / Publication date: 2020
• Tình trạng / Status: A - Còn hiệu lực
• Tên tiếng Anh / Title in English: Standard Method of Test for Sieve Analysis of Fine and Coarse Aggregates
• Thay thế cho / Replace: AASHTO T 27:2014
• Số trang / Page: 10

Phạm vi áp dụng / Scope of standard

This method covers the determination of the particle size distribution of fine and coarse aggregates by sieving.

Some specifications for aggregates, which reference this method, contain grading requirements including both coarse and fine fractions. Instructions are included for sieve analysis of such aggregates.

The values stated in SI units are to be regarded as the standard. The values in parentheses are provided for information purposes only.

This standard may involve hazardous materials, operations, and equipment. This standard does not purport to address all of the safety concerns associated with its use. It is the responsibility of the user of this procedure to consult and establish appropriate safety and health practices and to determine the applicability of regulatory regulations prior to its use.