ASTM E2157-01
Historical Standard: ASTM E2157-01 Standard Test Method for Measuring Pavement Macrotexture Properties Using the Circular Track Meter
SUPERSEDED (see Active link, below)
ASTM E2157
1. Scope
1.1 This test method covers the procedure for obtaining and analyzing pavement macrotexture profiles using the Circular Track Meter (CTMeter).
1.2 The CTMeter consists of a charge coupled device (CCD) laser- displacement sensor which is mounted on an arm that rotates such that the displacement sensor follows a circular track having a diameter of 284 mm (11.2 in.).
1.3 The CTMeter is designed to measure the same circular track that is measured by the Dynamic Friction Tester (DFTester).
1.4 The CTMeter can be used both for laboratory investigations and in the field on actual paved surfaces.
1.5 The software developed for the CTMeter reports the Mean Profile Depth (MPD) and the Root Mean Square (RMS) values of the macrotexture profiles.
1.6 The values stated in SI (metric) units are to be regarded as standard. The inch-pound equivalents are rationalized, rather than exact mathematical conversions.
1.7 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.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
ASTM Standards
E867 Terminology Relating to Vehicle-Pavement Systems
E1845 Practice for Calculating Pavement Macrotexture Mean Profile Depth
E1911 Test Method for Measuring Paved Surface Frictional Properties Using the Dynamic Friction Tester
Other Document
Manufacturers Sunny Koken Company, 3-8-4 Shinsayama, Sayama-shi, Saitama-ken, Japan 1331Keywords
pavement texture; skid resistance; Pavement surfaces (skid resistance); CCD (charge coupled device) laser-displacement sensor; CTMeter (circular track meter);
ICS Code
ICS Number Code 93.080.20 (Road construction materials)
DOI: 10.1520/E2157-01
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