Shear Failure of Very Large Concrete Beam: Nonlinear, probabilistic and semi-probabilistic modelling

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F28399269%3A_____%2F18%3AN0000010" target="_blank" >RIV/28399269:_____/18:N0000010 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/00216305:26110/19:PU134478

Výsledek na webu

<a href="http://rpsonline.com.sg/proceedings/9789811127236/html/47.xml" target="_blank" >http://rpsonline.com.sg/proceedings/9789811127236/html/47.xml</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.3850/978-981-11-2723-6_47" target="_blank" >10.3850/978-981-11-2723-6_47</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Shear Failure of Very Large Concrete Beam: Nonlinear, probabilistic and semi-probabilistic modelling

Popis výsledku v původním jazyce

The shear capacity of very large concrete beams was simulated using numerical analysis based on advanced nonlinear constitutive model of concrete using fracture mechanics. A very good agreement between experiments and computational modelling in the sense of load-deflection curve and crack patterns has been obtained. A study is focused on shear capacity of the beam influenced by the uncertainty of material parameters and their spatial distribution using advanced probabilistic methods, namely random fields and random variables was additionally performed. The shear strength of concrete beams was significantly affected by its large size, where spatial variability of material parameters played important role. Moreover, once the statistical moments of resistance were obtained by advanced probabilistic approach, ultimate shear capacity satisfying given safety requirements was determined by several semi-probabilistic and normative methods. Results from this study and consequent assessment of model uncertainty are presented and summarized in the last part of this study.

Název v anglickém jazyce

Shear Failure of Very Large Concrete Beam: Nonlinear, probabilistic and semi-probabilistic modelling

Popis výsledku anglicky

The shear capacity of very large concrete beams was simulated using numerical analysis based on advanced nonlinear constitutive model of concrete using fracture mechanics. A very good agreement between experiments and computational modelling in the sense of load-deflection curve and crack patterns has been obtained. A study is focused on shear capacity of the beam influenced by the uncertainty of material parameters and their spatial distribution using advanced probabilistic methods, namely random fields and random variables was additionally performed. The shear strength of concrete beams was significantly affected by its large size, where spatial variability of material parameters played important role. Moreover, once the statistical moments of resistance were obtained by advanced probabilistic approach, ultimate shear capacity satisfying given safety requirements was determined by several semi-probabilistic and normative methods. Results from this study and consequent assessment of model uncertainty are presented and summarized in the last part of this study.

Druh

D - Stať ve sborníku

CEP obor

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OECD FORD obor

20102 - Construction engineering, Municipal and structural engineering

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)

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 8th International Conference on Computational Stochastic Mechanics (CSM 8)

ISBN

978-981-11-2723-6

ISSN

—

e-ISSN

—

Počet stran výsledku

8

Strana od-do

433-440

Název nakladatele

Research Publishing (S) Pte. Ltd.

Místo vydání

Chennai, India

Místo konání akce

Paros

Datum konání akce

10. 6. 2018

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

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