{"id":7546,"date":"2026-05-09T15:04:21","date_gmt":"2026-05-09T07:04:21","guid":{"rendered":"https:\/\/www.chinaautoregs.com\/?p=7546"},"modified":"2026-05-09T15:04:21","modified_gmt":"2026-05-09T07:04:21","slug":"gb-t-22036-2026%e8%8b%b1%e6%96%87%e7%89%88%e7%bf%bb%e8%af%91%e3%80%8a%e8%bd%ae%e8%83%8e%e6%83%af%e6%80%a7%e6%bb%91%e8%a1%8c%e9%80%9a%e8%bf%87%e5%99%aa%e5%a3%b0%e6%b5%8b%e8%af%95%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.chinaautoregs.com\/?p=7546","title":{"rendered":"GB\/T 22036-2026\u82f1\u6587\u7248\u7ffb\u8bd1\u300a\u8f6e\u80ce\u60ef\u6027\u6ed1\u884c\u901a\u8fc7\u566a\u58f0\u6d4b\u8bd5\u65b9\u6cd5\u300b"},"content":{"rendered":"
ChinaAutoRegs|GB\/T 22036-2026\u82f1\u6587\u7248\u7ffb\u8bd1\u300a\u8f6e\u80ce\u60ef\u6027\u6ed1\u884c\u901a\u8fc7\u566a\u58f0\u6d4b\u8bd5\u65b9\u6cd5\u300b<\/div>\n
Coast-by Methods for Measurement of Tyre-To-Road Sound Emission<\/div>\n
<\/div>\n

<\/p>\n

CONTENTS<\/div>\n
<\/div>\n
Foreword I<\/div>\n
1 Scope 1<\/div>\n
2 Normative References 1<\/div>\n
3 Terms and Definitions 1<\/div>\n
4 Classes of Tyres 1<\/div>\n
5 General 1<\/div>\n
6 Test Site 2<\/div>\n
7 Measuring Instrumentation 2<\/div>\n
8 Meteorological Conditions and Background Noise 4<\/div>\n
9 Preparation and Adjustments of Tyres 4<\/div>\n
10 Vehicle method 4<\/div>\n
Annex A (Informative) Clauses in This Document and Equivalent Clauses in ISO 13325:2019 11<\/div>\n
Annex B (Informative) List of Technical Deviations between this document and ISO 13325:2019 and Their Justifications 13<\/div>\n
Annex C (Informative) Verification of Test Road Surface 14<\/div>\n
Annex D (Informative) Calculation of Sound Pressure Level of Single Tyre 15<\/div>\n
Annex E (Informative) Measurement Uncertainty 16<\/div>\n
Annex F (Informative) Test Report Templates<\/div>\n
<\/div>\n
1 SCOPE<\/div>\n
This document describes the methods for measuring tyre-to-road noise emissions from tyres fitted on the test vehicle under coast-by conditions. Coast-by refers to the motion state in which the vehicle is in tyre free-rolling, non-powered operation. This is typically achieved by putting the transmission in the neutral or equivalent position and switching off the engine as well as all auxiliary systems not necessary for safe driving.<\/div>\n
This document is applicable to passenger car tyres and truck tyres, but is not applicable for measuring the noise from tyres when the vehicle is operating in normal conditions or measuring the traffic noise and nuisance at a given location when the vehicle is operating in normal conditions.<\/div>\n
2 NORMATIVE REFERENCES<\/div>\n
The following normative documents contain provisions which, through normative reference in this text, constitute essential provision of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendment) applies.<\/div>\n
GB\/T 6326 Tyre Terms and Definitions<\/div>\n
ISO 10844 Acoustics \u2014 Specification of test tracks for measuring noise emitted by road vehicles and their tyres<\/div>\n
Note: GB\/T 22157-2018, Acoustics\u2014Specification of test tracks for measuring noise emitted by road vehicles and their tyres (ISO 10844:2014, IDT)<\/div>\n
ISO\/IEC Guide 98-3 Uncertainty of measurement\u2014Part 3: Guide to the expression of uncertainty in measurement (GUM: 1995)<\/div>\n
Note: GB\/T 27418-2017, Guide to the evaluation and expression of uncertainty in measurement (ISO\/IEC Guide 98-3:2008, MOD)<\/div>\n
IEC 60942 Electroacoustics \u2014 Sound calibrators<\/div>\n
Note: GB\/T 15173-2010, Electroacoustics\u2014Sound calibrators (IEC 60942:2003, IDT)<\/div>\n
IEC 61672-1 Electroacoustic \u2014 Sound level meters \u2014 Part 1: Specifications<\/div>\n
Note: GB\/T 3785.1-2023, Electroacoustics\u2014Sound level meters\u2014Part 1: Specifications (IEC 616721:2013, IDT)<\/div>\n
IEC 61672-3 Electroacoustic \u2014 Sound level meters \u2014 Part 3: Periodic tests<\/div>\n
Note: GB\/T 3785.3-2018, Electroacoustics\u2014Sound level meters\u2014Part 3: Periodic tests (IEC 616723:2013, IDT)<\/div>\n
3 TERMS AND DEFINITIONS<\/div>\n
For the purpose of this document, the terms and definitions given in GB\/T 6326 apply.<\/div>\n
\n
\n<\/div>\n
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