Tiêu chuẩn quốc tế

• Số hiệu / Standard Number: AASHTO TP 77:2014
• Năm ban hành / Publication date: 2014
• Tình trạng / Status: W - Hết hiệu lực
• Tên tiếng Anh / Title in English: Standard Method of Test for Specific Gravity and Absorption of Aggregate by Volumetric Immersion Method
• Thay thế cho / Replace: AASHTO TP 77:2009
• Số trang / Page: 11

Phạm vi áp dụng / Scope of standard

This method covers the determination of bulk and apparent
specific gravity and absorption of fine and coarse aggregate at 20
± 1°C (70 ± 2°F) for dry and saturated aggregates.

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 whoever uses this standard to consult and establish appropriate
safety and health practices and determine the applicability of
regulatory limitations prior to use.