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NEA Document
A Decade of CSNI Activities in the Area of Ageing of Nuclear Power Plant Concrete Structures
NEA/CSNI/R(2008)14

The Committee on the Safety of Nuclear Installations (CSNI) Working Group on Integrity and Ageing of Components and Structures (WGIAGE) has as a general mandate to advance the current understanding o...

English WGIAGE Nuclear safety research CSNI Safety of components and structures …
Published date: 17 December 2008
NEA Document
A Review of Current Calculation Methods Used to Predict Damage from High Energy Arcing Fault (HEAF) Events
NEA/CSNI/R(2015)10

Due to the potential safety significance of HEAF events the NEA initiated a project to provide an in-depth investigation on such events in NEA member states. The general objective of the study was to...

English WGIAGE Nuclear safety research CSNI
Published date: 9 June 2015
NEA Document
Ageing Management of Thick-Walled Concrete Structures, Including ISI, Maintenance and Repair, Instrumentation Methods and Safety Assessment in View of LTO: Workshop Proceedings
NEA/CSNI/R(2009)9

The Committee on the Safety of Nuclear Installations (CSNI) Working Group on Integrity and Ageing of Components and Structures (WGIAGE) considered there was a need to review the state-of-the-art tech...

English WGIAGE Nuclear safety research CSNI Safety of components and structures Proceedings …
Published date: 14 December 2009
NEA Document
Assessment of the Safe Shutdown Earthquake Robustness Against On-site Observations
NEA/CSNI/R(2019)14

This activity of the Nuclear Energy Agency (NEA) Committee on the Safety of Nuclear Installations (CSNI) Working Group on Integrity and Ageing of Components and Structures (WGIAGE) is entitled “Asses...

Nuclear installations Sustainable development WGIAGE Nuclear safety CSNI Safety Safety research …
Published date: 25 November 2021
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: 1 November 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 Probabilistic Seismic Hazard Analysis of Nuclear Power Plants in Areas with Different Levels 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: 3 June 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
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 Technical Opinion Papers …
Published date: 27 September 2021
NEA Document
Differences in Approach Between Nuclear and Conventional Seismic Standards with Regard to Hazard Definition
NEA/CSNI/R(2007)17

At the Committee on the Safety of Nuclear Installations (CSNI) meeting in June 2003, a proposal of the CSNI Working Group on the Integrity and Ageing (WGIAGE) to examine the differences in approach b...

English WGIAGE Nuclear safety research CSNI
Published date: 1 February 2008