ASTM E670-94(2000)
Standard Test Method for Side Force Friction on Paved Surfaces Using the Mu-Meter (Withdrawn 2009)
Standard Test Method for Side Force Friction on Paved Surfaces Using the Mu-Meter (Withdrawn 2009)
E0670-94R00
ASTM|E0670-94R00|en-US
Standard Test Method for Side Force Friction on Paved Surfaces Using the Mu-Meter (Withdrawn 2009)
Standard
E670 Standard Test Method for Side Force Friction on Paved Surfaces Using the Mu-Meter (Withdrawn 2009)>
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BOS Vol. 04.03 Committee E17
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Significance and Use
The knowledge of side force friction serves as an additional tool in characterizing pavement surfaces. Side force friction data alone may be of limited value in determining the suitability of paving materials or finishing techniques. However, when used in conjunction with other physical and chemical tests, the side force friction may contribute to characterization of pavement surfaces.
The values measured with the equipment and procedures stated herein do not necessarily agree or correlate directly with those obtained by other paved surface friction measuring methods.
Scope
1.1 This test method covers the measurement of the side force friction of paved surfaces utilizing a device commonly called a Mu-Meter.
1.2 This test method utilizes a measurement obtained by pulling the Mu-Meter, containing two freely rotating test wheels angled to the direction of motion, over a wetted pavement surface at a constant speed while the test wheels are under a constant static load. This method provides a continuous graphical record of the side force friction along the whole length of the test surface and enables averages to be obtained for any specified length.
1.3 The values stated in inch-pound units are to be regarded as the standard.
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. Safety precautionary information is contained in Section 6.