Tiêu chuẩn quốc tế

• Số hiệu / Standard Number: AASHTO TP 97:2011
• Năm ban hành / Publication date: 2011
• Tình trạng / Status: W - Hết hiệu lực
• Tên tiếng Anh / Title in English: Standard Method of Test for Glass Beads Used in Pavement Markings
• Số trang / Page: 7

Phạm vi áp dụng / Scope of standard

The procedures for testing glass beads used in traffic markings
are described in this method. This includes the method for
obtaining a representative test sample, preparation of the test
specimens, and performing the specified tests.

This test method is
divided into the following
parts:

Section 3, Sampling Glass Beads During
Production;

Section 4, Sampling Shipments of Glass Beads
Vertically from Bulk Containers;

Section 5, Gradation;

Section 6, Roundness;

Section 7, Refractive Index;

Section 8, Flow Characteristics Test-Referee
Method;

Section 9, Moisture Resistant Coating Test-Referee
Method;

Section 10, Flotation Test-Referee Method;

Section 11, Adherence Coating Oven Test-Referee
Method;

Section 12, Alternative Flotation Test-As Permitted
by Purchasing Agency;

Section 13, Alternative Moisture Resistance Test-As
Permitted by Purchasing Agency; and

Section 14, Alternative Adherence Test-As Permitted
by Purchasing Agency.

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

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