In the System Based Code (SBC), a reliability target is defined according to the importance of components (risk and/or failure probability), and the grade of material, design, manufacture and maintenance are chosen to satisfy the reliability target. Therefore, a reliability assessment of the components plays an important role in the concept of SBC. In the reliability assessment guidelines of SBC under development in JSME, the Load and Resistance Factor Design (LRFD) method and the Monte Carlo method will be applied to reliability assessment. Along with a development plan of the SBC, examination of the target reliability according to the importance of components and preparation of the LRFD methods and assessment of partial safety factor for some failure modes are underway. Until now, the LRFD methods have been developed for burst due to internal pressure, plastic collapse due to membrane and bending stress, fatigue, plastic collapse of a pipe having a circumferential crack, and buckling of a thin wall cylinder. This paper describes the action plans for the development of the reliability assessment methods and examination results till date.
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2014 22nd International Conference on Nuclear Engineering
July 7–11, 2014
Prague, Czech Republic
Conference Sponsors:
- Nuclear Engineering Division
ISBN:
978-0-7918-4589-9
PROCEEDINGS PAPER
Elaboration of the System Based Code Concept — Activities in JSME and ASME: (2) Development of Evaluation Tools Based on LRFD
Hideo Machida,
Hideo Machida
TEPCO Systems Corporation, Tokyo, Japan
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Tai Asayama,
Tai Asayama
Japan Atomic Energy Agency, Oarai, Ibaraki, Japan
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Daigo Watanabe,
Daigo Watanabe
Mitsubishi Heavy Industries, Ltd., Nagasaki, Nagasaki, Japan
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Kiminobu Hojo,
Kiminobu Hojo
Mitsubishi Heavy Industries, Ltd., Kobe, Hyogo, Japan
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Masaaki Hayashi
Masaaki Hayashi
Hitachi-GE Nuclear Energy Ltd., Hitachi, Ibaraki, Japan
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Hideo Machida
TEPCO Systems Corporation, Tokyo, Japan
Tai Asayama
Japan Atomic Energy Agency, Oarai, Ibaraki, Japan
Daigo Watanabe
Mitsubishi Heavy Industries, Ltd., Nagasaki, Nagasaki, Japan
Kiminobu Hojo
Mitsubishi Heavy Industries, Ltd., Kobe, Hyogo, Japan
Masaaki Hayashi
Hitachi-GE Nuclear Energy Ltd., Hitachi, Ibaraki, Japan
Paper No:
ICONE22-30525, V001T07A002; 10 pages
Published Online:
November 17, 2014
Citation
Machida, H, Asayama, T, Watanabe, D, Hojo, K, & Hayashi, M. "Elaboration of the System Based Code Concept — Activities in JSME and ASME: (2) Development of Evaluation Tools Based on LRFD." Proceedings of the 2014 22nd International Conference on Nuclear Engineering. Volume 1: Plant Operations, Maintenance, Engineering, Modifications, Life Cycle and Balance of Plant; Nuclear Fuel and Materials; Plant Systems, Structures and Components; Codes, Standards, Licensing and Regulatory Issues. Prague, Czech Republic. July 7–11, 2014. V001T07A002. ASME. https://doi.org/10.1115/ICONE22-30525
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