Tiêu chuẩn quốc tế

• Số hiệu / Standard Number: AASHTO M 327:2019
• Năm ban hành / Publication date: 2019
• Tình trạng / Status: A - Còn hiệu lực
• Tên tiếng Anh / Title in English: Standard Specification for Processing Additions for Use in the Manufacture of Hydraulic Cements
• Thay thế cho / Replace: AASHTO M 327:2018
• Số trang / Page: 9

Phạm vi áp dụng / Scope of standard

This specification pertains to the criteria and tests to be used for determining whether an organic or inorganic processing addition, when used in the recommended amount at the option of the cement producer in the manufacture of hydraulic cements, meets the requirements as prescribed by definition in M 85 and M 240M/M 240 as well as ASTM C1157/C1157M and C845/C845M. The materials listed in the following former AASHTO and ASTM specifications shall be considered as meeting the organic processing additions requirements of this specification:

• M 85-57, Portland Cement

• ASTM C205-58, Standard Specification for Portland Blast-Furnace Slag Cement

• ASTM C340-58, Standard Specification for Portland-Pozzolan Cement

• ASTM C358-58, Standard Specification for Slag Cement

The following safety hazards caveat pertains only to the test methods described in this specification. 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.