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GB/T 43257.6-2023: Safety test methods for transport packages of radioactive material - Part 6: Thermal test
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Safety test methods for transport packages of radioactive material - Part 6: Thermal test
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GB/T 43257.6-2023
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Basic data | Standard ID | GB/T 43257.6-2023 (GB/T43257.6-2023) | | Description (Translated English) | Safety test methods for transport packages of radioactive material - Part 6: Thermal test | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | F73 | | Classification of International Standard | 13.300 | | Word Count Estimation | 12,163 | | Date of Issue | 2023-11-27 | | Date of Implementation | 2024-06-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 43257.6-2023: Safety test methods for transport packages of radioactive material - Part 6: Thermal test
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ICS 13:300
CCSF73
National Standards of People's Republic of China
Safety test methods for radioactive material transport containers
Part 6: Heat resistance test
Part 6:Thermaltest
Published on 2023-11-27
2024-06-01 Implementation
State Administration for Market Regulation
Released by the National Standardization Administration Committee
Table of contents
PrefaceⅠ
Introduction II
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Test Principle 1
5 Test conditions 2
6 Instruments and Equipment 2
7 Sample 4
8 Test Step 4
9 Test data processing 6
10 Quality Assurance and Control 6
Appendix A (normative) Radiation temperature of metal hoardings 7
Foreword
This document complies with the provisions of GB/T 1:1-2020 "Standardization Work Guidelines Part 1: Structure and Drafting Rules of Standardization Documents"
Drafting:
This document is Part 6 of GB/T 43257 "Safety Test Methods for Transport Containers of Radioactive Materials": GB/T 43257 has been released
The following sections are included:
---Part 1: General provisions;
---Part 6: Heat resistance test:
Please note that some content in this document may be subject to patents: The publisher of this document assumes no responsibility for identifying patents:
This document is proposed and coordinated by the National Nuclear Energy Standardization Technical Committee (SAC/TC58):
This document was drafted by: General Engineering Research Institute of China Academy of Engineering Physics, China Institute of Radiation Protection, and Nuclear Industry Standardization Research
Institute, Nuclear and Radiation Safety Center of the Ministry of Ecology and Environment, China Machinery Productivity Promotion Center, China Nuclear Power Engineering Co:, Ltd:, Shanghai Nuclear Engineering Research and Design
Research Institute Co:, Ltd:, China General Nuclear Power Engineering Co:, Ltd:, and China General Nuclear Power Research Institute Co:, Ltd:
The main drafters of this document: Chen Jun, Li Minghai, Li Chong, Sun Hongchao, Liu Lipo, Jin Liqiang, Cao Fangfang, Zhang Yongxin, Hao Huijie, Wang Bingheng,
Zhang Zhenyu, Pan Yongjie, Zhou Youxin:
Introduction
The inherent safety of radioactive material transport containers is a prerequisite for the safety of radioactive material transport and needs to withstand normal transportation conditions and transport
Verification of various tests under accident conditions:
GB/T 43257 is aimed at various verification tests of different types of transport containers: It is necessary to clarify the status of the transport containers participating in the test and the detailed tests:
Conditions, test equipment and equipment, test implementation and testing, data processing methods, test qualification evaluation and many other specific contents, as
This is an important supplement to the implementation of GB 11806-2019 "Regulations for the Safe Transportation of Radioactive Materials", making relevant test assessments more specific and standardized:
Therefore, the safety test method for radioactive material transport containers specifically guides various types of transport containers to carry out corresponding verification tests for the design of the containers:
It is of great significance in terms of planning, verification and evaluation:
GB/T 43257 is planned to consist of 11 parts:
---Part 1: General principles: The purpose is to clarify whether radioactive material transport containers will withstand normal transport conditions and transport accident conditions:
Below are the general requirements for various tests:
---Part 2: Water spray test: The purpose is to standardize and guide radioactive material transport containers to withstand water spray tests under normal transport conditions:
Test and assessment:
---Part 3: Accumulation test: The purpose is to standardize and guide radioactive material transport containers to withstand stacking tests under normal transport conditions:
Test and assessment:
---Part 4: Drop test: The purpose is to standardize and guide radioactive material transport containers to withstand normal transport conditions and transport accidents:
Tests and assessments such as free fall, penetration and breakdown-tearing under certain conditions:
---Part 5: Impact test: The purpose is to standardize and guide radioactive material transport containers to withstand impact tests under transport accident conditions:
Test and assessment:
---Part 6: Heat resistance test: The purpose is to standardize and guide the heat resistance and heat resistance of radioactive material transport containers under transportation accident conditions:
Strengthen heat resistance test assessment:
---Part 7: Water immersion test: The purpose is to standardize and guide radioactive material transport containers to withstand water immersion under transport accident conditions:
There is no and enhanced water immersion test assessment:
---Part 8: Shielding test: The purpose is to standardize and guide radioactive material transport containers to withstand normal transport conditions and transport accidents:
Shielding test after conditioning:
---Part 9: Leak test: The purpose is to standardize and guide radioactive material transport containers to withstand normal transport conditions and transport accidents:
Leakage test under conditions:
---Part 10: Vibration test: The purpose is to standardize and guide the vibration test of the vibration effects of radioactive material transport containers
Assessment:
---Part 11: Heat transfer test: The purpose is to standardize and guide the transport containers of radioactive items so that the effects of decay heat of the contents cannot be ignored:
Heat transfer test assessment:
GB/T 43257:6 establishes the available
Three different test methods were selected for the heat resistance test of radioactive material transport containers: pool fire, heating furnace, and electric heat radiation: The heat resistance test has high
Warm heat sources are inherently dangerous: Users are responsible for taking appropriate safety and health measures and using safety equipment that is consistent with the corresponding hazard level:
Complete procedures and equipment to ensure that the safety of personnel and property is fully protected: GB/T 43257:6 and GB/T 43257:1 "Transportation of Radioactive Materials"
Container Safety Test Methods Part 1: General Principles" together constitute the heat resistance test method suitable for evidence collection of radioactive material transport containers:
Safety test methods for radioactive material transport containers
Part 6: Heat resistance test
1 Scope
This document specifies the test principles, test conditions, instruments and equipment, test samples, test procedures, and test procedures for heat resistance testing of radioactive material transport containers:
Inspection data processing, quality assurance and control, etc:
This document is applicable to the heat resistance test of radioactive material transport containers, and the heat resistance test of other equipment shall be carried out accordingly:
2 Normative reference documents
The contents of the following documents constitute essential provisions of this document through normative references in the text: Among them, the dated quotations
For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to
this document:
GB 11806-2019 Regulations for the safe transportation of radioactive materials
GB/T 43257:1-2023 Safety test methods for radioactive material transport containers Part 1: General principles
JJF1262 Armored Thermocouple Calibration Specifications
JJF1637 Calibration Specification for Inexpensive Metal Thermocouples
JJF1664 Calibration Specification for Temperature Display Instrument
JJG368 Calibration regulations for copper-copper-nickel thermocouples for working use
3 Terms and definitions
The following terms and definitions as defined in GB 11806-2019 and GB/T 43257:1-2023 apply to this document:
3:1
heat flux density heatflux
The heat flow through unit area of an object per unit time:
3:2
The ratio of the radiation force of an actual object (generally considered a gray body) to the radiation force of a black body at the same temperature is equal to the absorption of the object at the same temperature
coefficient:
3:3
The heat generated by the decay of radioactive contents per unit time:
4 Test principle
The sample is placed in a high temperature environment such as a pool fire, heating furnace or electric heat radiation where the average temperature throughout the process is not less than 800°C and reaches the specified time:
During the period, through the created thermal radiation environment and measured temperature response results, it is evaluated that the total heat flow of the radiation heat transfer and convection heat transfer reaches or exceeds
The total heat flow of thermal radiation and convection heat transfer experienced by it in a hypothetical hydrocarbon fuel-air fire accident:
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