Methodologies for Assessing Pipe Failure Rates in Advanced Water Cooled Reactors

International Atomic Energy Agency, Jovica Riznic

Research output: Book/Report/Conference proceedingBook


This publication, which draws upon the outcome of an IAEA coordinated research project, presents methodologies for assessing pipe failure rates in advanced water cooled reactors (WCRs), including a comprehensive review of good practices for the assessment of piping reliability parameters for advanced WCRs. Good practices are those processes and analytical tasks that would be expected in piping reliability analysis in order for the results to be realistic representations of piping structural integrity. This publication builds on technical insights that have been obtained using different methodologies when applied in multiple analytical contexts and responding to the requirements of different national codes and standards. It provides Member States with a strong technical basis for establishing design and plant centric piping reliability parameters for input into probabilistic safety assessment studies, in-service inspection programme development, and operational support. Additionally, an objective evaluation and inter-comparison of methods used in participating Member States is outlined leading to a harmonization of the practices relevant to newly deployable advanced WCRs.
Original languageEnglish (US)
Place of PublicationVienna
PublisherInternational Atomic Energy Agency
Number of pages135
ISBN (Electronic)9789201505224, 9789201504227
ISBN (Print)9789201503220
StatePublished - Sep 2023

Publication series

NameIAEA Nuclear Energy Series


  • IAEA Nuclear Energy
  • Review
  • State of Art Information,
  • Conclusions
  • Guidelines
  • Documentation
  • Results Presentation
  • Interpreting Results
  • Validating Probabilistic Outputs
  • Method Selection
  • Failure Modes
  • Flow Accelerated Corrosion Programme Plans
  • Evaluation Boundary
  • New Metals
  • Lessons Learned
  • Degradation Monitoring Practices
  • Ageing Factor Assessment
  • Proactive Material Ageing Management Programmes
  • Piping System Design Philosophy
  • WCR Pipe Failure Rates
  • Fracture Mechanics
  • Data Quality
  • OPEX
  • Operating Experience
  • WCR Piping Material Degradation Mechanisms
  • Inter-Comparison of Methods
  • Operational Support
  • ISI
  • In-Service Inspection Programme Development
  • Probabilistic Safety Assessment Studies
  • Design and Plant Centric Piping Reliability Parameters
  • Member States
  • Standards
  • National Codes
  • Piping Structural Integrity
  • Leak
  • Piping Reliability Analysis Framework
  • Good Practices
  • WCRs
  • Advanced Water-Cooled Reactors
  • Assessing Pipe Failure Rates
  • Methodologies


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