Tiêu chuẩn quốc tế

• Số hiệu / Standard Number: AASHTO T 280:2014
• Năm ban hành / Publication date: 2014
• Tình trạng / Status: A - Còn hiệu lực
• Tên tiếng Anh / Title in English: Standard Method of Test for Concrete Pipe, Manhole Sections, or Tile
• Thay thế cho / Replace: AASHTO T 280:2006
• Số trang / Page: 22

Phạm vi áp dụng / Scope of standard

These test methods cover testing of concrete pipe, manhole sections, and tile. The test methods described are used in production testing and acceptance testing to evaluate the properties provided for in the specifications.

The test specimens shall not have been exposed to a temperature below 4°C [40°F] for the 24 h immediately preceding the test.

If any test specimen fails because of mechanical reasons such as failure of testing equipment or improper specimen preparation, it shall be discarded and another specimen taken.

Specimens shall be selected in accordance with the specifications for the type of pipe or tile being tested.

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

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.