Tiêu chuẩn quốc tế

• Số hiệu / Standard Number: AASHTO TP 139:2020
• Năm ban hành / Publication date: 2020
• Tình trạng / Status: A - Còn hiệu lực
• Tên tiếng Anh / Title in English: Standard Method of Test for Determining the Relative Density (Specific Gravity) and Absorption of Lightweight Aggregate for Internally Cured Concrete Mixtures
• Số trang / Page: 6

Phạm vi áp dụng / Scope of standard

This test method covers the determination of the relative density (specific gravity) in the field or laboratory of lightweight aggregate for internally cured concrete mixtures.

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