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ASTM E2157-01

Historical Revision

Standard Test Method for Measuring Pavement Macrotexture Properties Using the Circular Track Meter

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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.


SDO ASTM: ASTM International
Document Number E2157
Publication Date Aug. 10, 2001
Language en - English
Page Count 5
Revision Level 01
Supercedes
Committee E17.23
Publish Date Document Id Type View
May 1, 2015 E2157-15 Revision
Nov. 1, 2009 E2157-09 Revision
Aug. 10, 2001 E2157-01 Revision
May 1, 2024 E2157-15R24 Reaffirmation
Dec. 1, 2019 E2157-15R19 Reaffirmation
Oct. 1, 2005 E2157-01R05 Reaffirmation