ASTM WK26025

    New Practice for Measurement of Tire/Pavement Noise Using the On-Board Sound Intensity (OBSI) Method

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    Developed by Subcommittee: E17.43 | Committee E17 | Contact Staff Manager


    1. Scope

    1.1This standard practice describes the procedures for measuring and thus estimating the tire/pavement noise using the on-board sound intensity (OBSI) and the procedures for verification of the measurement system. The practice provides a field measurement of the acoustic pressure per unit area at points near the tire/pavement interface, as referred to in this standard as the sound intensity (acoustic pressure) emitted in close proximity to the reference tire passing over a paved surface test section. 1.2The OBSI test procedure measures the tire/pavement noise in the field for various pavements and textures for comparative purposes and for any other purposes deemed appropriate by the user, for example to test short test sections in order to investigate quiet pavement materials or textures or to evaluate longer stretches of roadway for purposes of assembling noise data for a pavement management system (PMS). 1.3The values stated in SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; each system shall be used independently of the other. Combining values from the two systems may result in non-compliance with the standard. 1.4This 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.


    The title and scope are in draft form and are under development within this ASTM Committee.

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    Work Item Status

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    Draft Under Development