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    ASTM E503/E503M-88(2004)

    Standard Test Methods for Measurement of Skid Resistance on Paved Surfaces Using a Passenger Vehicle Diagonal Braking Technique (Withdrawn 2010)

    Withdrawn Standard: ASTM E503/E503M-88(2004) | Developed by Subcommittee: E17.21


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    Withdrawn Rationale:

    These test methods cover the measurement of skid resistance on paved surfaces with a passenger vehicle equipped with specified full-scale vehicle tires and using the diagonal braking mode.

    Formerly under the jurisdiction of Committee E17 on Vehicle - Pavement Systems, this standard was withdrawn in April 2010 because no one uses the diagonal-braked vehicle deceleration technique to measure tire/pavement friction anymore.

    1. Scope

    1.1 These test methods cover the measurement of skid resistance on paved surfaces with a passenger vehicle equipped with specified full-scale vehicle tires and using the diagonal braking mode. These test methods include the following:

    1.1.1 Full-Stop Method This represents the nonsteady-state skid resistance on two diagonally locked wheels, as the vehicle decelerates over a wetted pavement surface under specified limits of static wheel load and from a desired speed. The vehicle shall remain essentially parallel to its original direction of motion.

    1.1.2 Pulse-Braking MethodThe deceleration resulting from momentary diagonal wheel lockup (pulse braking) is measured. The vehicle decelerates over a wetted pavement surface under specified limits of static wheel load and at a desired speed. The vehicle shall remain essentially parallel to its original direction of motion.

    1.2 The values stated in either inch-pound units or SI units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system are not exact equivalents: therefore, each system must be used independently of the other. Combining values from the two systems may result in nonconformance with the specification.



    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

    E178 Practice for Dealing with Outlying Observations

    E501 Specification for Standard Rib Tire for Pavement Skid-Resistance Tests

    E524 Specification for Standard Smooth Tire for Pavement Skid-Resistance Tests

    F403 Test Method for Tires for Wet Traction in Straight-Ahead Braking, Using Highway Vehicles

    F457 Method for Speed and Distance Calibration of a Fifth Wheel Equipped with Either Analog or Digital Instrumentation


    Referencing This Standard
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    DOI: 10.1520/E0503_E0503M-88R04

    Citation Format

    ASTM E503 / E503M-88(2004), Standard Test Methods for Measurement of Skid Resistance on Paved Surfaces Using a Passenger Vehicle Diagonal Braking Technique (Withdrawn 2010), ASTM International, West Conshohocken, PA, 2004, www.astm.org

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