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GB/T 43257.4-2024 English PDF

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GB/T 43257.4-2024: Safety test methods for transport packages of radioactive material - Part 4: Drop test
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PDF similar to GB/T 43257.4-2024


Standard similar to GB/T 43257.4-2024

GB 39220   GB 27742   GB/T 17680.1   GB/T 43257.6   GB/T 43257.1   GB/T 41024   

Basic data

Standard ID GB/T 43257.4-2024 (GB/T43257.4-2024)
Description (Translated English) Safety test methods for transport packages of radioactive material - Part 4: Drop test
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard F73
Classification of International Standard 13.300
Word Count Estimation 22,283
Date of Issue 2024-12-31
Date of Implementation 2025-07-01
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB/T 43257.4-2024: Safety test methods for transport packages of radioactive material - Part 4: Drop test


---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.
ICS 13.300 CCSF73 National Standard of the People's Republic of China Safety test methods for radioactive material transport containers Part 4.Drop test Part 4.Droptest Released on 2024-12-31 2025-07-01 Implementation State Administration for Market Regulation The National Standardization Administration issued

Table of Contents

Preface III Introduction IV 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Sample 2 5 Method Summary 2 6 Test conditions 6 7 Instruments and Equipment 7 8 Test steps 9 9 Experimental data processing 10 10 Quality Assurance and Control11 Appendix A (Informative) Drop test height measurement method 12 Appendix B (Informative) Calculation method of falling posture 13

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. This document is part 4 of GB/T 43257 "Safety test methods for transport containers of radioactive materials". GB/T 43257 has been published The following parts. --- Part 1.General; --- Part 4.Drop test; --- Part 6.Heat resistance test. 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 was proposed and coordinated by the National Nuclear Energy Standardization Technical Committee (SAC/TC58). This document was drafted by. China Academy of Engineering Physics General Engineering Institute, China Academy of Radiation Protection, Nuclear Industry Standardization Research Institute Institute, Nuclear and Radiation Safety Center of the Ministry of Ecology and Environment, China Machinery Productivity Promotion Center Co., Ltd., Mianyang Product Quality Supervision and Inspection Institute, China Nuclear Power Research and Design Institute, China Nuclear Power Engineering Co., Ltd., Shanghai Nuclear Engineering Research and Design Institute Co., Ltd., CGN Engineering Co., Ltd., CGN Research Institute Co., Ltd. The main drafters of this document are. Yue Xiaohong, Chen Xinfa, Li Chong, Huang Hanjun, Sun Hongchao, Liu Lipo, Jin Liqiang, Cao Fangfang, Zhang Yongxin, Ying Quanhong, Zhou Jie, Li Ning, Mei Qiliang, Pan Yongjie, Li Qipeng.

Introduction

The inherent safety of radioactive material transport containers is the prerequisite for the safety of radioactive material transportation. Verification of various tests under accident conditions. GB/T 43257 provides various verification tests for different types of transport containers. It is necessary to clarify the status of the test containers and the detailed test conditions. The test conditions, test equipment and instruments, test implementation and testing, data processing methods, test qualification evaluation and many other specific contents are GB 11806-2019 is an important supplement to the implementation, making the relevant test assessment more specific and standardized. The container safety test method specifically guides various types of transport containers to carry out corresponding verification tests, which is of great significance to the design, verification and evaluation of containers. Very important significance. GB/T 43257 is intended to consist of 11 parts. --- Part 1.General. The purpose is to clarify the conditions under which radioactive material transport containers are subjected to normal transport conditions and transport accident conditions. The following are general requirements for various tests. --- Part 2.Water spray test. The purpose is to standardize and guide the radioactive material transport container to withstand the water spray test under normal transport conditions. Test and assessment. --- Part 3.Stacking test. The purpose is to standardize and guide the radioactive material transport container to withstand the stacking test under normal transport conditions. Test and assessment. --- Part 4.Drop test. The purpose is to standardize and guide the radioactive material transport container to withstand normal transport conditions and transport accidents Free fall, penetration and puncture-tear tests under certain conditions. --- Part 5.Impact test. The purpose is to standardize and guide the impact test of radioactive material transport containers under transportation accident conditions. Test and assessment. --- Part 6.Heat resistance test. The purpose is to standardize and guide the heat resistance and Strengthen heat resistance test assessment. --- Part 7.Water immersion test. The purpose is to standardize and guide the radioactive material transport container to withstand water immersion under transportation accident conditions No and strengthened water immersion test assessment. --- Part 8.Leakage test. The purpose is to standardize and guide the radioactive material transport container to withstand normal transport conditions and transport accidents Leakage test under conditions. --- Part 9.Shielding test. The purpose is to standardize and guide the radioactive material transport container to withstand normal transport conditions and transport accidents Shielding test after conditioning. --- Part 10.Vibration test. The purpose is to standardize and guide the vibration test of the transport vibration effect of radioactive material transport containers Assessment. --- Part 11.Heat transfer test. The purpose is to standardize and guide the radioactive material transport container and not to ignore the decay heat effect of the contents Heat transfer test assessment. GB/T 43257.4 is to verify the ability of cargo packages to withstand typical transportation environments and accident environments, and to test their shielding, containment, subcriticality, This part includes free fall test and penetration test under normal transport conditions. Mechanical tests under transportation accident conditions [free fall test I (9m drop), free fall test II (puncture), free fall test III (dynamic GB/T 43257.4 and GB/T 43257.1 together constitute the standard applicable to Drop test method for obtaining evidence from radioactive material transport containers. Safety test methods for radioactive material transport containers Part 4.Drop test

1 Scope

This document describes the test specimen, method summary, test conditions, instrumentation, test procedures, and test methods for the drop test of radioactive material transport containers. Verification data processing, quality assurance and control, etc. This document applies to the drop test of radioactive material transport containers, i.e. free fall test and penetration test under normal transport conditions. Free fall test I, free fall test II, free fall test III and additional test for type C cargo package under transport accident conditions Puncture-tear test.

2 Normative references

The contents of the following documents constitute 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 to This document. GB/T 4857.1 Basic tests for packaging and transport packages Part 1.Methods for marking various parts during testing GB 11806 Regulations for the safe transportation of radioactive materials GB/T 43257.1-2023 Safety test methods for transport containers of radioactive materials Part 1.General

3 Terms and definitions

The terms and definitions defined in GB 11806 and GB/T 43257.1-2023 and the following apply to this document. 3.1 dropposture The posture of the sample when it falls and hits the target. Note. It is generally described by the target impact angle, that is, the angle between the specimen axis or other specified characteristic line and the target surface. 3.2 penetration stick A cylindrical solid steel bar with a diameter of 3.2 cm, a hemispherical end and a mass of 6 kg, used for penetration tests under normal transportation conditions. 3.3 Puncture stick Used for free fall test II under transport accident conditions, the diameter is (15±0.5) cm, the length is 20 cm, the top of the rod is flat and watertight A cylindrical solid mild steel bar with a flat surface and rounded edges with a radius not exceeding 6 mm. 3.4 Dynamic Crushing Board dynamiccrushingboard For free fall test under transport accident conditions III, solid low-carbon steel plate with size 1m×1m and mass 500kg, steel plate The bottom edge and corners are arc-shaped, and the radius of the fillet is not greater than 6mm.

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