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Significance and Use
4.1 This test method provides a means of evaluating traveled surface roughness. The measured values represent vehicular response to traveled surface roughness obtained with the equipment and procedures stated herein and do not necessarily agree or correlate directly with those obtained by other methods.3
1.2 This test method utilizes an apparatus that measures the relative motion of a sprung mass system in response to traveled surface roughness where the mass is supported by automotive type suspension and tires.
1.3 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. Specific precautionary statements are given in Section 6.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
E177 Practice for Use of the Terms Precision and Bias in ASTM Test Methods
E178 Practice for Dealing With Outlying Observations
E867 Terminology Relating to Vehicle-Pavement Systems
E1136 Specification for P195/75R14 Radial Standard Reference Test Tire
ICS Number Code 43.020 (Road vehicles in general); 93.080.20 (Road construction materials)
UNSPSC Code 41110000(Measuring and observing and testing instruments)