FEM and RBSM Numerical Analyzes of Concrete Wall under Long-term Exposure to Neutron Irradiation

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21110%2F18%3A00322913" target="_blank" >RIV/68407700:21110/18:00322913 - isvavai.cz</a>

Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

FEM and RBSM Numerical Analyzes of Concrete Wall under Long-term Exposure to Neutron Irradiation

Popis výsledku v původním jazyce

In this paper, the mechanical response of a concrete wall to long-term exposure to neutron irradiation is investigated. The radiation effect, represented by neutron flux, is modeled by volumetric swelling of concrete and corresponding degradation of the mechanical parameters of concrete. This effect is investigated using a three-dimensional finite element model of the wall and Rigid-Body-Spring-Model of a strip of a wall that have been created for this purpose. As a result, displacement, isotropic damage, principal compressive and tensile stresses, cracks patterns are obtained. According to the results of this analysis, the analyzed reinforced concrete wall is damaged to such an extent that its load-bearing capacity and shielding performance may be compromised and the strip of the unreinforced concrete wall is completely damaged according to the RBSM analysis.

Název v anglickém jazyce

FEM and RBSM Numerical Analyzes of Concrete Wall under Long-term Exposure to Neutron Irradiation

Popis výsledku anglicky

In this paper, the mechanical response of a concrete wall to long-term exposure to neutron irradiation is investigated. The radiation effect, represented by neutron flux, is modeled by volumetric swelling of concrete and corresponding degradation of the mechanical parameters of concrete. This effect is investigated using a three-dimensional finite element model of the wall and Rigid-Body-Spring-Model of a strip of a wall that have been created for this purpose. As a result, displacement, isotropic damage, principal compressive and tensile stresses, cracks patterns are obtained. According to the results of this analysis, the analyzed reinforced concrete wall is damaged to such an extent that its load-bearing capacity and shielding performance may be compromised and the strip of the unreinforced concrete wall is completely damaged according to the RBSM analysis.

Druh

D - Stať ve sborníku

CEP obor

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OECD FORD obor

20101 - Civil engineering

Projekt

<a href="/cs/project/8F17002" target="_blank" >8F17002: Efekt chemické sloučeniny betonu a jeho chování v dlouhodobém radioaktivním prostředí</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>S - Specificky vyzkum na vysokych skolach

Rok uplatnění

2018

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

Proceedings of the 12th International fib PhD Symposium in Civil Engineering

ISBN

978-80-01-06401-6

ISSN

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e-ISSN

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Počet stran výsledku

8

Strana od-do

1129-1136

Název nakladatele

ČVUT v Praze, Fakulta stavební

Místo vydání

Praha

Místo konání akce

Praha

Datum konání akce

29. 8. 2018

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

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