Tiêu chuẩn quốc tế

• Số hiệu / Standard Number: AASHTO PP 66:2013
• Năm ban hành / Publication date: 2013
• Tình trạng / Status: W - Hết hiệu lực
• Tên tiếng Anh / Title in English: Standard Practice for Determination of Long-Term Strength for Geosynthetic Reinforcement
• Thay thế cho / Replace: AASHTO PP 66:2010
• Số trang / Page: 46

Phạm vi áp dụng / Scope of standard

This protocol has been developed to address polypropylene (PP),
polyethylene (PE or HDPE), and polyester (PET) geosynthetics (i.e.,
geotextiles and geogrids). For other geosynthetic polymers [(e.g.,
polyamide (PA) or polyvinyl alcohol (PVA)], the installation damage
and creep protocols provided herein are directly applicable. While
the chemical and biological durability procedures and criteria
provided herein may also be applicable to other polymers (for
example, hydrolysis testing as described in Annex C is likely
applicable to PA and PVA geosynthetics), additional investigation
will be required to establish a detailed protocol and acceptance
criteria for these other polymers. These other polymers may be
considered for evaluation using this protocol once modifications to
the chemical/biological durability aspects of this protocol have
been developed and are agreed upon by the approval authority.

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

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