Tiêu chuẩn quốc tế

• Số hiệu / Standard Number: AASHTO R 67:2020
• Năm ban hành / Publication date: 2020
• Tình trạng / Status: A - Còn hiệu lực
• Tên tiếng Anh / Title in English: Standard Practice for Sampling Asphalt Mixtures after Compaction (Obtaining Cores)
• Thay thế cho / Replace: AASHTO R 67:2016
• Số trang / Page: 6

Phạm vi áp dụng / Scope of standard

This method describes the process for removal of a core sample of compacted asphalt mixture from a pavement for laboratory testing. Cores may range in diameter from 2 in. to 12 in.

This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.