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| Description
| - We attempt the identification, study and modeling of possible sources of size effects in concrete structures acting both separately and together. We are particularly motivated by the interplay of sev-eral identified scaling lengths stemming from the material, boundary conditions and geometry. Meth-ods of stochastic nonlinear fracture mechanics are used to model the well published results of direct tensile tests of dog-bone specimens with rotating boundary conditions. Firstly, the specimens are mod-eled using microplane material law to show that a large portion of the dependence of nominal strength on structural size can be explained deterministically. Next, we model local material strength using an autocorrelated random field attempting to capture a statistical part of the complex size effect, scatter inclusive. In addition, the strength drop noticeable with small specimens which was obtained in the experiments is explained by the presence of a weak surface layer of constant thickness (caused e.g. by
- We attempt the identification, study and modeling of possible sources of size effects in concrete structures acting both separately and together. We are particularly motivated by the interplay of sev-eral identified scaling lengths stemming from the material, boundary conditions and geometry. Meth-ods of stochastic nonlinear fracture mechanics are used to model the well published results of direct tensile tests of dog-bone specimens with rotating boundary conditions. Firstly, the specimens are mod-eled using microplane material law to show that a large portion of the dependence of nominal strength on structural size can be explained deterministically. Next, we model local material strength using an autocorrelated random field attempting to capture a statistical part of the complex size effect, scatter inclusive. In addition, the strength drop noticeable with small specimens which was obtained in the experiments is explained by the presence of a weak surface layer of constant thickness (caused e.g. by (en)
- We attempt the identification, study and modeling of possible sources of size effects in concrete structures acting both separately and together. We are particularly motivated by the interplay of sev-eral identified scaling lengths stemming from the material, boundary conditions and geometry. Meth-ods of stochastic nonlinear fracture mechanics are used to model the well published results of direct tensile tests of dog-bone specimens with rotating boundary conditions. Firstly, the specimens are mod-eled using microplane material law to show that a large portion of the dependence of nominal strength on structural size can be explained deterministically. Next, we model local material strength using an autocorrelated random field attempting to capture a statistical part of the complex size effect, scatter inclusive. In addition, the strength drop noticeable with small specimens which was obtained in the experiments is explained by the presence of a weak surface layer of constant thickness (caused e.g. by (cs)
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| Title
| - Modelování vlivu velikosti betonových konstrukcí pomocí nelineární stochastické lomové mechaniky
- Modelování vlivu velikosti betonových konstrukcí pomocí nelineární stochastické lomové mechaniky (cs)
- Modeling size effect of concrete structures with nonlinear stochastic fracture mechanics (en)
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| skos:prefLabel
| - Modelování vlivu velikosti betonových konstrukcí pomocí nelineární stochastické lomové mechaniky
- Modelování vlivu velikosti betonových konstrukcí pomocí nelineární stochastické lomové mechaniky (cs)
- Modeling size effect of concrete structures with nonlinear stochastic fracture mechanics (en)
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| skos:notation
| - RIV/00216305:26110/06:PU63928!RIV07-MSM-26110___
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| http://linked.open.../vavai/riv/strany
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| http://linked.open...avai/riv/aktivita
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| http://linked.open...avai/riv/aktivity
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| http://linked.open...vai/riv/dodaniDat
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| http://linked.open...aciTvurceVysledku
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| http://linked.open.../riv/druhVysledku
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| http://linked.open...iv/duvernostUdaju
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| http://linked.open...titaPredkladatele
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| http://linked.open...dnocenehoVysledku
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| http://linked.open...ai/riv/idVysledku
| - RIV/00216305:26110/06:PU63928
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| http://linked.open...riv/jazykVysledku
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| http://linked.open.../riv/klicovaSlova
| - computational stochastic, fracture mechanics, size effect, random field, weak boundary crack band (en)
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| http://linked.open.../riv/klicoveSlovo
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| http://linked.open...ontrolniKodProRIV
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| http://linked.open...v/mistoKonaniAkce
| - VUT v Brně, Fakulta stavební, Veveří 331/95,
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| http://linked.open...i/riv/mistoVydani
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| http://linked.open...i/riv/nazevZdroje
| - Pravděpodobnost porušování konstrukcí
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| http://linked.open...in/vavai/riv/obor
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| http://linked.open...ichTvurcuVysledku
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| http://linked.open...cetTvurcuVysledku
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| http://linked.open...vavai/riv/projekt
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| http://linked.open...UplatneniVysledku
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| http://linked.open...iv/tvurceVysledku
| - Vořechovský, Miroslav
- Matesová, Dita
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| http://linked.open...vavai/riv/typAkce
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| http://linked.open.../riv/zahajeniAkce
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| number of pages
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| http://purl.org/ne...btex#hasPublisher
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| https://schema.org/isbn
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| http://localhost/t...ganizacniJednotka
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