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GB/T 2424.25-2024 English PDF

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GB/T 2424.25-2024: Environmental testing - Part 3: Test guidance - Seismic test methods
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GB/T 2424.25: Evolution and historical versions

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GB/T 2424.25-2024English919 Add to Cart 7 days [Need to translate] Environmental testing - Part 3: Test guidance - Seismic test methods Valid GB/T 2424.25-2024
GB/T 2424.25-2000English1019 Add to Cart 4 days [Need to translate] Environmental testing for electric and electronic products. Part 3: Test guidance. Seismic test methods   GB/T 2424.25-2000

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Basic data

Standard ID GB/T 2424.25-2024 (GB/T2424.25-2024)
Description (Translated English) Environmental testing - Part 3: Test guidance - Seismic test methods
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard K04
Classification of International Standard 19.040
Word Count Estimation 46,476
Date of Issue 2024-11-28
Date of Implementation 2025-06-01
Older Standard (superseded by this standard) GB/T 2424.25-2000
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB/T 2424.25-2024: Environmental testing - Part 3: Test guidance - Seismic test methods

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Environmental testing - Part 3.Test guidance - Seismic test methods Environmental testing Part 3.Test guidelines - Seismic test methods Environmental testing- Part 3.Test guidance-Seismic test methods (IEC 60068﹘3﹘3.2019, Environmental testing-Part 3-3.Supporting ICS 19.040 CCS K 04 National Standard of the People's Republic of China Replaces GB/T 2424.25-2000 Published on 2024-11-28 Implemented on 2025-06-01 State Administration for Market Regulation The National Standardization Administration issued

Table of Contents

Preface ... V Introduction VI 1 Scope ... 1 2 Normative references ... 1 3 Terms and Definitions 2 4 General requirements and matters to be considered in identification 6 4.1 General and specific earthquake types 6 4.2 Usage Status 6 4.3 Fault Judgment Criteria 6 4.4 Classification Criteria 6 5 Test requirements 6 5.1 Installation Requirements 6 5.2 Measurement requirements 7 5.3 Frequency range ... 7 6 Test waveform selection ... 7 6.1 Overview 7 6.2 Multi-frequency waves 8 6.3 Single Frequency Wave 8 7 Test Wave ... 8 7.1 General Provisions 8 7.2 Multi-frequency wave test 9 7.3 Single frequency test 10 7.4 Other test waveforms 11 8 Test conditions ... 11 8.1 Vibration Response Check 11 8.2 Test methods 11 8.3 Damping Selection 12 8.4 S1 Earthquake and S2 Earthquake ... 12 8.5 Component Testing 12 8.6 Component Test 13 9 Uniaxial and multiaxial tests 13 9.1 Uniaxial test 13 9.2 Biaxial test 13 9.3 Triaxial test 14 10 General earthquake test conditions ... 15 11 Calculation method of amplitude of general earthquake test ... 15 11.1 General Provisions 15 11.2 Test conditions 15 12 General earthquake test parameters ... 17 12.1 Duration of the test... 17 12.2 Test acceleration 18 13 General earthquake response spectrum requirements ... 19 14 General earthquake tests 20 14.1 Vibration Response Check 20 14.2 Test Types 20 15 Specific earthquake tests 21 15.1 Overview 21 15.2 Multi-frequency waves 21 15.3 Single Frequency Wave 21 15.4 Other test waveforms 21 Appendix A (Informative) Published parts of GB/T 2424 ... 22 Appendix B (Informative) Comparison of the structure numbers of this document and IEC 60068﹘3﹘3.2019 ... 23 Appendix C (Informative) Technical differences between this document and IEC 60068﹘3﹘3.2019 and their causes ... 27 Appendix D (Informative) Test Selection Flowchart ... 28 D.1 Test type selection 28 D.2 General earthquake type─Calculation amplitude test ... 29 D.3 Specific earthquake type-uniaxial test 30 D.4 Specific earthquake type - multiaxial test 31 Appendix E (Informative) Information and Communication Equipment Earthquake Test Conditions 32 E.1 Seismic test method 32 E.2 Test severity level 32 E.3 Identification Standards 33 Appendix F (Informative) Earthquake Test Conditions for Power Equipment 34 F.1 Seismic test method 34 F.2 Test severity level 34 F.3 Identification Standards 35 References ... 37 Figure 1 Strong earthquake part of the time history Figure 1 Strong earthquake part of the time history ... 4 Figure 2 Typical response spectrum envelope ... 4 Figure 3 TRS schematic diagram ... 5 Figure 4 Continuous sine wave ... 8 Figure 5 Test wave sequence ... 9 Figure 6 Sine beat frequency superposition of multiple spectra ... 10 Figure 7 Inclined single axis table ... 14 Figure 8 Schematic diagram of waveform magnification factor ... 19 Figure 9 Recommended shape of RRS (logarithmic x logarithmic coordinates) ... 20 Figure D.1 Earthquake classification selection 28 Figure D.2 Calculation Amplitude Test Flowchart 29 Figure D.3 Uniaxial test flow chart ... 30 Figure D.4 Specific earthquake type - multiaxial test 31 Figure E.1 Information and communication equipment earthquake floor response factor (ζ=3%) ... 32 Table 1 Typical damping ratio (percentage of critical damping value) Table 1 Typical damping ratio (percentage of critical damping value) ... 12 Table 2 Selection of test type ... 15 Table 3 Ground acceleration magnitude ... 16 Table 4 Relationship between earthquake intensity and maximum ground acceleration ... 16 Table 5 Recommended superelevation coefficient (K) ... 17 Table 6 Directivity coefficient (D) ... 17 Table 7 Form Factor ... 18 Table B.1 Comparison of structure numbers between this document and IEC 60068﹘3﹘3.2019 ... 23 Table C.1 Technical differences between this document and IEC 60068﹘3﹘3.2019 and their reasons ... 27 Table E.1 Horizontal axis earthquake response multiple values ... 32 Table E.2 Vertical axis earthquake response multiple values ... 32 Table E.3 Information and communication equipment seismic performance evaluation table ... 33 Table F.1 Maximum horizontal earthquake acceleration 34

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents" Drafting is required. This document is Part 25 of GB/T 2424.For the published parts of GB/T 2424, see Appendix A. This document replaces GB/T 2424.25-2000 "Environmental testing for electric and electronic products Part 3.Test guidelines for earthquake tests" Compared with GB/T 2424.25-2000, in addition to structural adjustments and editorial changes, the main technical changes are as follows. Added test waveform selection (see Chapter 6);- Added test waves (see Chapter 7);- Added test conditions (see Chapter 8); - Added uniaxial and multiaxial tests (see Chapter 9); - The ground acceleration has been changed (see 11.2.4, 8.2.4 of the.2000 edition); - Added general earthquake RRS (see Chapter 13);- The standard amplitude conventional test method and related clause content requirements have been deleted (see Chapter 7 of the.2000 edition). - This document is modified to adopt IEC 60068﹘3﹘3.2019 "Environmental testing Part 3﹘3.Supporting documents and guidelines for equipment seismic testing method". Compared with IEC 60068﹘3﹘3.2019, this document has many structural adjustments. A comparison of the structural number changes between the two documents See Appendix B for the table. This document has many technical differences compared with IEC 60068﹘3﹘3.2019.A list of these technical differences and their reasons is given in Appendix C. The following editorial changes were made to this document. The name of this document is changed to "Environmental testing Part 3.Test guidelines Seismic test method"; Added informative reference to GB 55002-2021; - The informative reference "GB/T 17742-2020" replaces "IEC TS 62271﹘210.2013" (see 11.2.4); - Added the informative appendix "Constituent documents of GB/T 2424" (see Appendix A); - Added the informative appendix "List of changes in structure numbers" (see Appendix B); - Added the informative appendix "List of technical differences and their causes" (see Appendix C); - Added the informative appendix "Seismic test conditions for information and communication equipment" (see Appendix E); - Added the informative appendix "Earthquake test conditions for power equipment" (see Appendix F); - Changed references (see References). - Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents. This document is proposed and coordinated by the National Technical Committee for Standardization of Environmental Conditions and Environmental Testing for Electrical and Electronic Products (SAC/TC8). This document was drafted by. China Academy of Information and Communications Technology, the Fifth Institute of Electronics of the Ministry of Industry and Information Technology, and China Electric Power Research Institute. Co., Ltd., Nuclear and Radiation Safety Center of the Ministry of Ecology and Environment, China Institute of Water Resources and Hydropower Research, Guangzhou University, China Academy of Building Research Co., Ltd., Guangzhou Wusuo Environmental Instrument Co., Ltd. The main drafters of this document are. Sun Guoliang, Huang Weixue, Zhang Pengbo, Cheng Yongfeng, Zhu Zhubing, Lu Yan, Jie He, Ji Shuqiang, Wang Zhipeng, Li Chunlei, Ji Chunyang, Lu Zhicheng, Zhang Xuezhong, Luo Kaihai, Liu Zhenlin, Xu Zhonggen, Xu Lianghua, and Zhong Hong. This document was first published in.2000 and this is the first revision.

Introduction

The term "environmental conditioning" or "environmental testing" refers to the testing of equipment or components in the conditions of use, transportation, and storage that they may be subjected to. Performance evaluation in natural or artificial environments. Each part of the GB/T 2424 series of standards provides a set of background information for environmental tests, which is intended to be composed of the following parts. GB/T 2424.1-2015 Environmental testing Part 3.Supporting documents and guidelines for low temperature and high temperature tests. Provide test guidelines for low temperature test, high temperature test, test with sudden temperature change and test with gradual temperature change. GB/T 2424.2-2005 Environmental testing procedures for electrical and electronic products, Guidelines for damp heat testing. When formulating humidity and heat test standards for products or equipment, provide appropriate test methods and severity levels. GB/T 2424.5-2021 Environmental testing Part 3.Supporting documents and guidelines Temperature test chamber performance confirmation. To provide a uniform and reproducible method to confirm that the temperature test chamber complies with the relevant standards when there is no load. Regulation. GB/T 2424.6-2021 Environmental testing Part 3.Supporting documents and guidelines Temperature/humidity test chamber performance confirmation. The purpose of this test is to provide a uniform and reproducible method to confirm that the temperature and humidity test chamber meets the requirements of the relevant Relevant standard regulations. GB/T 2424.7-2024 Environmental testing Part 3.Supporting documents and guidelines Test A (low temperature) and B (high temperature) Temperature chamber measurement (with load). The purpose is to specify a uniform and reproducible method to confirm that the temperature chamber is Thermal/non-heat dissipation test sample load and air circulation in the working space, in accordance with the climate test requirements Require. GB/T 2424.10-2012 Environmental testing General guidelines for atmospheric corrosion accelerated testing. Corrosion test method standards, procedures and references for conducting artificial accelerated corrosion tests. GB/T 2424.11-2013 Environmental testing Part 2.Test methods Test Kc. Dioxide on contact points and connectors Sulfur test guide. The purpose is to provide guidance when formulating sulfur dioxide test standards for contact points and connectors of electronic and electrical products or equipment. Appropriate test methods and severity levels. GB/T 2424.12-2014 Environmental testing Part 2.Test methods Test Kd. Hydrogen sulfide at contact points and connections Test Guide. The purpose is to provide appropriate guidance when formulating hydrogen sulfide test standards for contact points and connectors of electronic and electrical products or equipment. Test methods and severity levels. GB/T 2424.15-2008 Environmental testing for electric and electronic products Part 3.Guidelines for temperature/low pressure combined testing. Purpose It specifies a combined temperature/low pressure test involving a range of pressures applied on the ground or in the air. GB/T 2424.17-2008 Environmental testing for electric and electronic products Part 2.Test methods Test T. Soldering test guide The purpose is to provide background information and suggestions for writers of soldering test specifications. To provide appropriate test methods and severity levels for seismic testing. GB/T 2424.26-2008 Environmental testing for electric and electronic products Part 3.Supporting documents and guidance for vibration test selection. The purpose is to provide a basis for selecting steady-state vibration test methods. GB/T 2424.27-2013 Environmental testing support documents and guidelines for temperature and humidity test chamber uncertainty calculation. Provides guidance for analyzing the uncertainty of temperature and humidity climate chambers. This document first clarifies the classification requirements of seismic tests, and gives the seismic test procedures, waveform requirements and test axial requirements, and gives general The calculation method of the severity level of earthquake types and specific earthquake types is given in the appendix. At the same time, the specific earthquake test of information and communication equipment and power equipment is given in the appendix. condition. Environmental testing Part 3.Test guidelines - Seismic test methods

1 Scope

This document describes a method for conducting seismic tests of full-scale equipment using a shaking table based on dynamic test data. This document aims to provide a variety of test methods to facilitate the relevant specifications to specify equipment seismic tests and verify equipment performance in seismic identification. Provides support for manufacturers to verify the seismic performance of equipment, or for users to evaluate and verify the seismic performance of equipment. This document is applicable to seismic tests of electrical and electronic equipment. Other equipment and components shall be implemented accordingly.

2 Normative references

The contents of the following documents constitute the essential clauses of this document through normative references in this document. For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies. in this document. ISO 2041 Mechanical vibration, shock and condition monitoring vocabulary Oring-Vocabulary Note. GB/T 2298-2010 Mechanical vibration, shock and condition monitoring vocabulary (ISO 2041.2009, IDT) IEC 60068﹘1 Environmental testing-Part 1.General and guidance guidance Note. GB/T 2421-2020 Overview and Guidelines for Environmental Testing (IEC 60068﹘1.2013, IDT) IEC 60068﹘2﹘6 Environmental testing Part 2﹘6.Tests Test Fc. Vibration (sinusoidal) [E nvironmental testing-Part 2﹘6.Tests-Test Fc.Vibration (sinusoidal)] Note. GB/T 2423.10-2019 Environmental testing Part 2.Test methods Test Fc. Vibration (sinusoidal) (IEC 60068﹘2﹘6.2007, IDT IEC 60068﹘2﹘47 Environmental testing Part 2﹘47.Installation of specimens for vibration, shock and similar dynamic tests (En﹘ vironmental testing-Part 2﹘47.Test-Mounting of specimens for vibration, impact and similar dynam﹘ ic tests) Note. GB/T 2423.43-2008 Environmental testing for electric and electronic products Part 2.Test methods for vibration, shock and similar dynamic test samples Installation (IEC 60068﹘2﹘47.2005, IDT) IEC 60068﹘2﹘57 Environmental testing Part 2﹘57.Test Test Ff. Vibration﹘Time history and sine beat frequency method (Envir﹘ onmental testing-Part 2﹘57.Tests-Test Ff. Vibration-Time﹘history and sine﹘beat method） Note. GB/T 2423.48-2018 Environmental testing Part 2.Test methods Test Ff. Vibration time history and sinusoidal beat frequency method (IEC 60068﹘2﹘57.2013, IDT) IEC 60068﹘2﹘64 Environmental testing Part 2﹘64.Test Test Fh. Vibration, broadband random and guidance (Environment﹘ al testing-Part 2﹘64.Tests-Test Fh.Vibration, broad band random and guidance） Note. GB/T 2423.56-2023 Environmental testing Part 2.Test methods Test Fh. Broadband random vibration and guidance (IEC 60068﹘2﹘64.2019, IDT IEC 60068﹘2﹘81 Environmental testing Part 2﹘81.Test Test Ei. Shock response spectrum synthesis (Environment﹘ al testing-Part 2﹘81.Tests-Test Ei.Shock - Shock response spectrum synthesis） Note. GB/T 2423.57-2008 Environmental testing for electric and electronic products Part 2.Test methods Test Ei. Shock response spectrum synthesis (IEC 60068﹘2﹘81.2003, IDT)

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