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ASTM E1489-08(2013)
- Standard Practice for Computing Ride Number of Roads from Longitudinal Profile Measurements Made by an Inertial Profile Measuring Device
- standard by ASTM International, 12/01/2013
- Publisher: ASTM
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1.1 This practice covers the mathematical processing of longitudinal profile measurements to produce an estimate of subjective ride quality, termed Ride Number (RN).