ASTM-E2302 2003

$40.63

E2302-03a Standard Test Method for Measurement of the Luminance Coefficient Under Diffuse Illumination of Pavement Marking Materials Using a Portable Reflectometer

Published By	Publication Date	Number of Pages
ASTM	2003	7

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Categories: 93.080.20 - Road construction materials, ASTM

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Description

ASTM E2302-03a

Historical Standard: Standard Test Method for Measurement of the Luminance Coefficient Under Diffuse Illumination of Pavement Marking Materials Using a Portable Reflectometer

ASTM E2302

Scope

1.1 This test method covers measurement of the luminance coefficient under diffuse illumination of horizontal pavement markings, such as traffic stripes and surface symbols, and pavement surfaces, in a particular viewing direction using a portable reflectometer.

Note 1—The luminance coefficient under diffuse illumination is a measure of the reflection of horizontal pavement markings and pavement surfaces in a particular viewing direction in daylight or under road lighting. Diffuse illumination approximates daylight illumination from the overcast sky, and road lighting as an average of locations on the pavement surface.

1.2 The co-viewing angle of the reflectometer affects the readings. As specified by the European Committee for Standardization (CEN), the co-viewing angle shall be 2.29°.

1.3 This test method is intended to be used for field measurement of pavement markings and pavement surfaces but may be used to measure the performance of materials on sample panels before placing the marking material in the field.

1.4 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.

Keywords

pavement; pavement markings; portable reflectometers; reflection

ICS Code

ICS Number Code 93.080.20 (Road construction materials)

DOI: 10.1520/E2302-03A

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents Terminology Summary of Test Method
2	Significance and Use Apparatus
3	FIG. 1 FIG. 2
4	FIG. 3
5	Standardization Procedure FIG. 4 FIG. 5
6	FIG. 6 FIG. 7
7	Test Report Sources of Error Precision and Bias Keywords

Additional information

Standard Title	E2302-03a Standard Test Method for Measurement of the Luminance Coefficient Under Diffuse Illumination of Pavement Marking Materials Using a Portable Reflectometer
Published Code	ASTM
Publication Date	2003
Pages Count	7
ICS Codes	93.080.20 - Road construction materials