News

Share on :

Invitation to participate in EDF - VERCORS 3rd Benchmark

20 July 2020 Association
Viewed 2304 times

EDF is pleased to invite you to its 3rd benchmark in 2022 starting in 2021!

EDF operates a large fleet of nuclear reactors and is responsible for demonstrating the safety of its installations, particularly the Concrete Containment Buildings (CCB), which are non-replaceable components. In France, the leak-tightness of a CCB is achieved with 2 technologies the first one with a metallic liner like in most CCB in the world and the second one with a double-wall containment without a metallic liner. 

The leak-tightness of the second type is linked to a series of complex and various parameters such as, the degree of cracking in the concrete and the opening of those cracks, the remaining  pre-stress force, the delayed strains of concrete, the water saturation degree.

To face this great challenge, EDF decided in 2014 to build a mock-up of a reactor containment building at 1/3 scale on EDF lab site in "les Renardières".

EDF thinks the best way to treat this challenge was to perform a series of benchmarks where each participant had the same data and the same given objectives to answer. There have been already 2 benchmarks organized, the first one in 2015 (early-age behavior and leak-tightness), the second one in 2018 (Creep modeling - Micromechanics  and/or Multiphysics approaches; Mechanical behavior of the containment during pressurization test; Air leakage).

To subscribe to this benchmark please click on this link : VERCORS 2022 

For more information, please see the attached flyer and PowerPoint presentation by EDF coordinator and RILEM member  Julien Niepceron. 




Love it

No comment

Log in to post comment. Log in.