Leak-before-break application in US light water reactor balance-of-plant piping

Beaudoin, B.F.; Quinones, D.F.; Hardin, Tim

doi:10.1016/0308-0161(90)90093-w

Cited by 9 publications

(3 citation statements)

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“…Over recent years, LBB criterion has been employed to assess the safety of nuclear vessels and pipes containing defects. Beaudoin et al (1990) described a LBB program for high energy balance-of-plant piping in the United States using fracture mechanics analysis. Bartholomé (1997) explained the 'German Leak-before-break procedures' and presented a general outline of prerequisites and practices for break preclusion.…”

Section: Introductionmentioning

confidence: 99%

Effect of thermal aging on the leak-before-break analysis of nuclear primary pipes

Wang

et al. 2014

Nuclear Engineering and Design

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Section: Introductionmentioning

confidence: 99%

Effect of thermal aging on the leak-before-break analysis of nuclear primary pipes

Wang

et al. 2014

Nuclear Engineering and Design

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“…Two reports published by the International Atomic Energy Agency (IAEA) in 1993 and 1994 present the application of LBB in different countries [5], [21]. Other publications also provide examples of LBB applications or developments in other countries, for example France [22], [23], Belgium [24], USA [17], Canada [25], [26], Korea [27], India [28] or Czech Republic [29] where the following procedures were used with slight modifications.…”

Section: Nuclear Industrymentioning

confidence: 99%

“…The initial crack may arise from different types of defect, and may grow as a result of loading or environment. However, it is generally recommended to demonstrate that certain in-service degradation mechanisms are not present: LBB is not usually applied to systems which experience excessive or unusual loads and is generally limited to piping that is not susceptible to fail from degradation mechanisms such as the following [17]:…”

Section: Limitationsmentioning

confidence: 99%

Leak-before-break: Global perspectives and procedures

Bourga

Moore

Janin

et al. 2015

International Journal of Pressure Vessels and Piping

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Structural integrity of components containing fluids is critical for economic, environmental and safety issues. Any risk of catastrophic failure, in the form of either brittle or ductile manner, is not acceptable across the industries. Consequently, many efforts have been invested in the structural integrity aspect to improve the assessment methodologies. One of the ways to aid the decision whether or not to live with the defect is through the demonstration of Leak-Before-Break (LBB). LBB which is a well-established practice in the nuclear industry, albeit as a defence-in-depth argument or to justify the elimination of pipe whip restraints, also finds its applicability in other industries. A review of the available procedures, their associated limitations and the research carried out in the last thirty years is presented in this paper. Application of this concept within non-nuclear industries is also discussed. Leak- AbstractStructural integrity of components containing fluids is critical for economic, environmental and safety issues. Any risk of catastrophic failure, in the form of either brittle or ductile manner, is not acceptable across the industries. Consequently, many efforts have been invested in the structural integrity aspect to improve the assessment methodologies. One of the ways to aid the decision whether or not to live with the defect is through the demonstration of Leak-Before-Break (LBB). LBB which is a well-established practice in the nuclear industry, albeit as a defence-in-depth argument or to justify the elimination of pipe whip restraints, also finds its applicability in other industries. A review of the available procedures, their associated limitations and the research carried out in the last thirty years is presented in this paper. Application of this concept within non-nuclear industries is also discussed.

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