Hydraulic behaviour of a representative structural volume for containment buildings

Autor: Shahrokh Ghavamian, Gilles Pijaudier-Cabot, Antonio Huerta, Ludovic Jason
Přispěvatelé: Laboratoire de Mécanique Systèmes et Simulation (LM2S), Service d'Etudes Mécaniques et Thermiques (SEMT), Département de Modélisation des Systèmes et Structures (DM2S), CEA-Direction des Energies (ex-Direction de l'Energie Nucléaire) (CEA-DES (ex-DEN)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay-CEA-Direction des Energies (ex-Direction de l'Energie Nucléaire) (CEA-DES (ex-DEN)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay-Département de Modélisation des Systèmes et Structures (DM2S), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, Thermodynamique et Energétique des fluides complexes (TEFC), Université de Pau et des Pays de l'Adour (UPPA)-TOTAL SA-Centre National de la Recherche Scientifique (CNRS), EDF R&D (EDF R&D), EDF (EDF), Departament de Matematica Aplicada III [Barcelona], Universitat Politècnica de Catalunya [Barcelona] (UPC), Universitat Politècnica de Catalunya. Departament de Matemàtica Aplicada III, Universitat Politècnica de Catalunya. LACÀN - Mètodes Numèrics en Ciències Aplicades i Enginyeria
Rok vydání: 2020
Předmět:
Nuclear and High Energy Physics
Engineering
Engineering
Civil
Física::Física de fluids [Àrees temàtiques de la UPC]
Hydraulics
0211 other engineering and technologies
Enginyeria civil::Materials i estructures::Tipologies estructurals [Àrees temàtiques de la UPC]
Engineering
Multidisciplinary
020101 civil engineering
02 engineering and technology
0201 civil engineering
law.invention
Hydraulic conductivity
law
Centrals nuclears -- Edificis
021105 building & construction
General Materials Science
Geotechnical engineering
Engineering
Ocean
Safety
Risk
Reliability and Quality
Waste Management and Disposal
Engineering
Aerospace
Engineering
Biomedical
Concrete degradation
Nuclear power plants--Mathematical models
Darcy's law
business.industry
Mechanical Engineering
Degree of saturation
Mass balance
Computer Science
Software Engineering
Engineering
Marine
Engineering
Manufacturing
Engineering
Mechanical
Permeability (earth sciences)
Nuclear Energy and Engineering
Engineering
Industrial
Nuclear power plants--Design and construction
[PHYS.PHYS.PHYS-CHEM-PH]Physics [physics]/Physics [physics]/Chemical Physics [physics.chem-ph]
Porous medium
business
Zdroj: Scipedia Open Access
Scipedia SL
Nuclear Engineering and Design
Nuclear Engineering and Design, 2007, 237 (12-13), pp.1259-1274. ⟨10.1016/j.nucengdes.2006.09.035⟩
UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)
Recercat. Dipósit de la Recerca de Catalunya
instname
Nuclear Engineering and Design, Elsevier, 2007, 237 (12-13), pp.1259-1274. ⟨10.1016/j.nucengdes.2006.09.035⟩
ISSN: 0029-5493
1872-759X
DOI: 10.1016/j.nucengdes.2006.09.035⟩
Popis: International audience; For particular structures like containment buildings of nuclear power plants, the study of the hydraulic behaviour is of great concern. These structures are indeed the third barrier used to protect the environment in case of accidents. The evolution of the leaking rate through the porous medium is closely related to the changes in the permeability during the ageing process of the structure. It is thus essential to know the relation between concrete degradation and the transfer property when the consequences of a mechanical loading on the hydraulic behaviour have to be evaluated. A chained approach is designed for this purpose. The mechanical behaviour is described by an elastic plastic damage formulation, where damage is responsible for the softening evolution while plasticity accounts for the development of irreversible strains. The drying process is evaluated according to a non-linear equation of diffusion. From the knowledge of the damage and the degree of saturation, a relation is proposed to calculate the permeability of concrete. Finally, the non-homogeneous distribution of the hydraulic conductivity is included in the hydraulic problem which is in fact the association of the mass balance equation for gas phase and Darcy law. From this methodology, it is shown how an indicator for the hydraulic flows can be deduced.
Databáze: OpenAIRE
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