Evaluation of Safety Formats for Structural Assessment Based on Nonlinear Analysis
Identifikátory výsledku
Kód výsledku v IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F28399269%3A_____%2F18%3AN0000005" target="_blank" >RIV/28399269:_____/18:N0000005 - isvavai.cz</a>
Nalezeny alternativní kódy
RIV/68407700:21610/18:00321630
Výsledek na webu
<a href="https://www.researchgate.net/publication/324389439_Evaluation_of_Safety_Formats_for_Structural_Assessment_Based_on_Nonlinear_Analysis" target="_blank" >https://www.researchgate.net/publication/324389439_Evaluation_of_Safety_Formats_for_Structural_Assessment_Based_on_Nonlinear_Analysis</a>
DOI - Digital Object Identifier
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Alternativní jazyky
Jazyk výsledku
angličtina
Název v původním jazyce
Evaluation of Safety Formats for Structural Assessment Based on Nonlinear Analysis
Popis výsledku v původním jazyce
fib Model Code 2010 introduced for the first time a comprehensive system for the treatment of safety and uncertainty for structural assessment and design based by nonlinear analysis. The paper analyzes a selected example from the literature with shear failure when two different failure modes are observed depending on the choice of material parameters. This issue is critical for the global assessment by nonlinear analysis since it often involves assumptions about the statistical distribution of structural strength. When different failure modes are involved, i.e. by steel yielding or concrete failure, these assumptions may not be valid and the calculated design strength may not be on the safe side. The influence of different failure modes on the structural strength is evaluated mainly for the ECOV method, where the assumption of log-normal distribution is used. The global assessment by nonlinear analysis is compared with the analytical solutions based on standard Eurocode and Model Code 2010 shear formulas. The results show that even though the ECOV methods provides higher design strength values, the difference is not significant especially if one takes into account the overall uncertainties involved in reinforced concrete analysis and design.
Název v anglickém jazyce
Evaluation of Safety Formats for Structural Assessment Based on Nonlinear Analysis
Popis výsledku anglicky
fib Model Code 2010 introduced for the first time a comprehensive system for the treatment of safety and uncertainty for structural assessment and design based by nonlinear analysis. The paper analyzes a selected example from the literature with shear failure when two different failure modes are observed depending on the choice of material parameters. This issue is critical for the global assessment by nonlinear analysis since it often involves assumptions about the statistical distribution of structural strength. When different failure modes are involved, i.e. by steel yielding or concrete failure, these assumptions may not be valid and the calculated design strength may not be on the safe side. The influence of different failure modes on the structural strength is evaluated mainly for the ECOV method, where the assumption of log-normal distribution is used. The global assessment by nonlinear analysis is compared with the analytical solutions based on standard Eurocode and Model Code 2010 shear formulas. The results show that even though the ECOV methods provides higher design strength values, the difference is not significant especially if one takes into account the overall uncertainties involved in reinforced concrete analysis and design.
Klasifikace
Druh
D - Stať ve sborníku
CEP obor
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OECD FORD obor
20101 - Civil engineering
Návaznosti výsledku
Projekt
<a href="/cs/project/GA16-04132S" target="_blank" >GA16-04132S: Epistemické nejistoty modelů trhlin v železobetonových konstrukcích</a><br>
Návaznosti
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)
Ostatní
Rok uplatnění
2018
Kód důvěrnosti údajů
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Údaje specifické pro druh výsledku
Název statě ve sborníku
Computational Modelling of Concrete Structures: Proceedings of the Conference on Computational Modelling of Concrete and Concrete Structures (EURO-C 2018)
ISBN
9781138741171
ISSN
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e-ISSN
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Počet stran výsledku
10
Strana od-do
669-678
Název nakladatele
CRC Press/Balkema
Místo vydání
Leiden, Tthe Netherlands
Místo konání akce
Bad Hofgastein, Austria
Datum konání akce
26. 2. 2018
Typ akce podle státní příslušnosti
WRD - Celosvětová akce
Kód UT WoS článku
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