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AASHTO TP 130

Standard Method of Test for Producing Draw Down Panels and Measuring the Coefficient of Retroreflected Luminance (RL) of Pavement Markings in a Laboratory Panel

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Organization: AASHTO
Publication Date: 1 January 2018
Status: active
Page Count: 8
scope:

This test procedure is used to determine the retroreflectivity of M 247 Type I highway beads. Beads are dropped on top of a uniform thickness of paint and retroreflectivity is determined with a reflectometer.

The values stated in English units are generally to be regarded as the standard with metric units being in parentheses. Cases exist where only one unit convention is being used and should be considered as the only convention to be used.

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 procedure to establish appropriate safety and health practices and to determine the applicability of regulatory limitations prior to use.

Document History

AASHTO TP 130
January 1, 2018
Standard Method of Test for Producing Draw Down Panels and Measuring the Coefficient of Retroreflected Luminance (RL) of Pavement Markings in a Laboratory Panel
This test procedure is used to determine the retroreflectivity of M 247 Type I highway beads. Beads are dropped on top of a uniform thickness of paint and retroreflectivity is determined with a...
January 1, 2018
Standard Method of Test for Producing Draw Down Panels and Measuring the Coefficient of Retroreflected Luminance (RL) of Pavement Markings in a Laboratory Panel
This test procedure is used to determine the retroreflectivity of M 247 Type I highway beads. Beads are dropped on top of a uniform thickness of paint and retroreflectivity is determined with a...

References

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