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NEA Document
Benchmark Results on the Analytical Evaluation of the Fracture Mechanic Parameters K and J
NEA/CSNI/R(2017)11

For most nuclear design and in-service inspection codes, fracture mechanics is used to evaluate the integrity of cracked components. The major parameters used in this kind of analysis are K and J whi...

English WGIAGE Nuclear safety research CSNI
Published date: 3 July 2017
NEA Document
Bonded or Unbonded Technologies for Nuclear Reactor Prestressed Concrete Containments
NEA/CSNI/R(2015)5

OECD/NEA/CSNI Working Group on Integrity and Ageing of Components and Structures (WGIAGE) has the main mission to advance the current understanding of those aspects relevant to ensuring the integrity...

English WGIAGE Nuclear safety research CSNI
Published date: 28 January 2015
NEA Document
Comparison of PSHA in areas with different level of seismic activity
NEA/CSNI/R(2019)1
Seismic hazards remain an important factor that nuclear power plant designers and operators worldwide must take into account. Therefore, the Working Group on the Integrity and Ageing of Components a...
English WGIAGE Nuclear safety research CSNI
Published date: 17 January 2019
NEA Document
Comparison Report of RPV Pressurised Thermal Shock International Comparative Assessment Study (PTS ICAS)
NEA/CSNI/R(1999)3
English WGIAGE CSNI
Published date: 16 February 1999
NEA Document
Components and Structures under Severe Accident Loading (COSSAL)
NEA/CSNI/R(2019)2

In the face of severe accident scenarios with melted core material, such as those that occurred at Three Mile Island-2 in 1979 and at Fukushima Daiichi in 2011, the integrity assessment of primary ci...

English WGIAGE Nuclear safety research CSNI
Published date: 17 January 2019
NEA Document
Components and Structures under Severe Accident Loading (COSSAL): Final Report - APPENDIX
NEA/CSNI/R(2019)2/ADD1

Components and Structures under Severe Accident Loading (COSSAL) Final Report (Appendices)

Questions and Answers

English WGIAGE Nuclear safety research CSNI
Published date: 5 April 2019
NEA Document
CSNI Integrity and Ageing Working Group Report on Thermal Cycling in LWR Components in OECD member countries
NEA/CSNI/R(2005)8
English WGIAGE CSNI
Published date: 29 March 2005
NEA Document
CSNI Integrity and Ageing Working Group Survey on Primary Water Stress Corrosion Cracking (PWSCC) and Nickel-based Alloy: Final Version September 2006
NEA/CSNI/R(2006)8
English WGIAGE CSNI
Published date: 11 April 2007
Publications and Reports
CSNI Technical Opinion Paper - No. 18

Seismic probabilistic safety assessment (SPSA) is a systematic method for examining and evaluating the risk from earthquake-initiated accidents. The significant advances in the area of SPSA since the...

English WGRISK WGIAGE WGEV Safety Nuclear safety regulation Probabilistic risk assessment …
Published date: 27 September 2021
NEA Document
CSNI Workshop on Testing Probabilistic Seismic Hazard Analysis Results and the Benefits of Bayesian Techniques for Seismic Hazard Assessment
NEA/CSNI/R(2015)15

Pavia, Italy
4-6 February 2015

This workshop was the fourth in a series of NEA meetings dedicated to probabilistic approach of seismic hazard or seismic risk. The main objectives were to foster exchan...

English WGIAGE Nuclear safety CSNI Probabilistic risk assessment …
Published date: 29 June 2015
NEA Document
Differences in Approach between Nuclear and Conventional Seismic Standards with Regard to Hazard Definition
NEA/CSNI/R(2007)17
English WGIAGE CSNI
Published date: 30 January 2008
NEA Document
Electrochemical techniques to detect corrosion in concrete structures in nuclear installations - Technical Note
NEA/CSNI/R(2002)21
English WGIAGE CSNI
Published date: 19 July 2002
NEA Document
EPRI: Proceedings of the 3rd International Conference on the Fatigue of Reactor Components, held on 3-6 October 2004 in Seville, Spain
NEA/CSNI/R(2004)21
English WGIAGE CSNI Proceedings
Published date: 14 December 2004
NEA Document
Experimental Facilities for Earthquake Engineering Simulation Worldwide: Are Large Testing Facilities for Nuclear Power Plants Design and Verification at Risk?
NEA/CSNI/R(2004)10

In the report “Nuclear Safety Research in OECD Countries: Summary Report of Major Facilities and Programmes at Risk“ published by the NEA/CSNI Senior Group of Experts on Nuclear Safety Research Facil...

English WGIAGE Nuclear safety research CSNI Safety of components and structures …
Published date: 7 July 2004
NEA Document
FAT3D- An OECD/NEA-CEA benchmark on thermal fatigue in fluid mixing areas
NEA/CSNI/R(2005)2
English WGIAGE CSNI
Published date: 10 January 2005
NEA Document
Final Report on the Phase 1 of the Assessment of Structures Subjected to Concrete Pathologies (ASCET)
NEA/CSNI/R(2016)13
Taking into account life extension, concrete degradation becomes one of the main issues for long-term operation (LTO). Concrete pathologies/degradation mechanisms – alkali-aggregate reaction (AAR), ...
English WGIAGE Nuclear safety research CSNI
Published date: 14 June 2016
NEA Document
Final Report on the Phase 1 of the Assessment of Structures Subjected to Concrete Pathologies (ASCET) APPENDICES
NEA/CSNI/R(2016)13/ADD1
Taking into account life extension of Nuclear Power Plants (NPPs) there is a need to investigate degradations mechanisms of existing structures defining their aging management program. The Alkali Ag...
English WGIAGE Nuclear safety research CSNI
Published date: 3 July 2017
NEA Document
Finite element analysis of ageing reinforced and prestressed concrete structures in nuclear power plants - An international review of current capabilities and priorities for future developments
NEA/CSNI/R(2002)13
English WGIAGE CSNI
Published date: 27 June 2002
NEA Document
Improving Robustness Assessment Methodologies for Structures Impacted by Missiles (IRIS_2010) Final Report
NEA/CSNI/R(2011)8
English WGIAGE CSNI
Published date: 15 November 2011
NEA Document
Improving Robustness Assessment Methodologies for Structures Impacted by Missiles (IRIS_2012)Final Report
NEA/CSNI/R(2014)5/ADD1
English WGIAGE CSNI
Published date: 27 June 2014