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  • ANSI S1.18 : 2010

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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    METHOD FOR DETERMINING THE ACOUSTIC IMPEDANCE OF GROUND SURFACES

    Available format(s):  Hardcopy, PDF

    Superseded date:  05-01-2019

    Language(s): 

    Published date:  01-01-2010

    Publisher:  Acoustical Society of America

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    Table of Contents - (Show below) - (Hide below)

    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Measurement method
    5 Required instruments for measuring ground impedance outdoors
    6 Measurement
    7 Data reduction
    8 Reporting
    9 Templates for obtaining normalized surface impedance model
      parameters
    Annex A (informative) Worked examples of procedure
    Annex B (informative) Example impedance parameters
    Annex C (informative) Formulae for the complex sound
            pressure ratio
    Annex D (informative) Mathematical functions
    Annex E (informative) Software for deduction of surface
            impedance according to ANSI/ASA S1.18-2010
    Bibliography

    Abstract - (Show below) - (Hide below)

    Aims to establish uniform procedures for obtaining the real and imaginary parts of the normalized specific acoustic impedance ratio of ground surfaces outdoors.

    General Product Information - (Show below) - (Hide below)

    Committee S1
    Document Type Standard
    Publisher Acoustical Society of America
    Status Superseded
    Superseded By
    Supersedes

    Standards Referenced By This Book - (Show below) - (Hide below)

    ASA/ANSI S12.75:2012(R2020) METHODS FOR THE MEASUREMENT OF NOISE EMISSIONS FROM HIGH PERFORMANCE MILITARY JET AIRCRAFT
    ANSI S12.76 : 2017 METHODS FOR MEASUREMENT OF SUPERSONIC JET NOISE FROM UNINSTALLED MILITARY AIRCRAFT ENGINES
    ANSI/ASA S12.75 : 2012 METHODS FOR THE MEASUREMENT OF NOISE EMISSIONS FROM HIGH PERFORMANCE MILITARY JET AIRCRAFT

    Standards Referencing This Book - (Show below) - (Hide below)

    ANSI/ASA S1.1:2013 ACOUSTICAL TERMINOLOGY
    ANSI S1.11 : 2014 SPECIFICATION FOR OCTAVE-BAND AND FRACTIONAL-OCTAVE-BAND ANALOG AND DIGITAL FILTERS
    ISO 9613-1:1993 Acoustics Attenuation of sound during propagation outdoors Part 1: Calculation of the absorption of sound by the atmosphere
    ANSI/ASA S1.26 : 2014 METHOD FOR CALCULATION OF THE ABSORPTION OF SOUND BY THE ATMOSPHERE
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