Safety Analysis Method for Type B Package Containment System

WANG Ziling; BAO Boyu; ZHENG Yueshan; WANG Qing; YAO Lin

doi:10.19554/j.cnki.1001-3563.2026.13.033

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Packaging Engineering ›› 2026, Vol. 47 ›› Issue (13) : 306-313. DOI: 10.19554/j.cnki.1001-3563.2026.13.033

Equipment Protection

Safety Analysis Method for Type B Package Containment System

WANG Ziling, BAO Boyu, ZHENG Yueshan, WANG Qing, YAO Lin^*

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Abstract

Type B packages are a type of package specified in GB 11806-2019^[1]. The work aims to study containment safety analysis methods for packages to ensure containment safety during package transportation. By interpreting the containment requirements in the standard, it was clarified that containment safety analysis should be carried out in the design, manufacturing, transportation, and operation stages. This method mainly adopted leakage rate test as the main verification means for containment requirements and provided the method and key points for converting containment requirements into the maximum allowable test leakage rate. According to the results of leakage rate tests conducted in each stage, if the leakage rate test results met the maximum allowable test leakage rate requirements, it meant that the containment requirements in the standard GB 11806-2019 were met. A containment safety analysis method applicable to Type B packages is proposed. Leak rate tests performed via this method can validate the compliance of package containment system performance with the containment criteria set forth in GB 11806-2019, thereby ensuring the containment safety of Type B packages.

Key words

Type B package / containment system / leakage rate test / transport of radioactive materials

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WANG Ziling, BAO Boyu, ZHENG Yueshan, WANG Qing, YAO Lin. Safety Analysis Method for Type B Package Containment System[J]. Packaging Engineering. 2026, 47(13): 306-313 https://doi.org/10.19554/j.cnki.1001-3563.2026.13.033

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