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Description
| - V příspěvku je představen zobecněný modle CAM Clay popisující soudržné zeminy. Nové formulace neomezuje pouze vývoj nepřiměřeného napětí na mezi porušení a míru dilatace, ale zároveň umožňuje omezit nerealistické změkčení které pro překonsolidované zeminy předpovídá klasická formulace modelu CAM Clay. Realističtější odezvy je dosaženo zavedením nové plochy plasticity v oblasti dilatace. Dále je do formulace plochy plasticity zaveden Lodeův úhel a neasociovaný zákon plastického tečení. Závěrem jsou porovnány výsledky získané pro zobecněnou a klasickou variantu modelu. (cs)
- In this contribution, a generalized Cam clay model for cohesive soil materials is introduced. A new formulation not only suppresses evolution of excessive failure stresses and dilatancy rate, but also allows for the reduction of non-realistic softening behavior of overconsolidated soils predicted when adopting the formulation of classical Cam clay model. More realistic response of the soil is achieved by introducing a new yield function in the dilatation (supercritical or dry) domain, i.e. for OCR > 2. Further, the dependency of the yield function on the Lode angle is adopted and non-associated flow rule is assumed. Finally, the reduction of hardening modulus is shown in comparison to the classical Cam clay model formulation.
- In this contribution, a generalized Cam clay model for cohesive soil materials is introduced. A new formulation not only suppresses evolution of excessive failure stresses and dilatancy rate, but also allows for the reduction of non-realistic softening behavior of overconsolidated soils predicted when adopting the formulation of classical Cam clay model. More realistic response of the soil is achieved by introducing a new yield function in the dilatation (supercritical or dry) domain, i.e. for OCR > 2. Further, the dependency of the yield function on the Lode angle is adopted and non-associated flow rule is assumed. Finally, the reduction of hardening modulus is shown in comparison to the classical Cam clay model formulation. (en)
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Title
| - Formulation of Generalized CAM Clay Model
- Formulace zobecněného CAM Clay modelu (cs)
- Formulation of Generalized CAM Clay Model (en)
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skos:prefLabel
| - Formulation of Generalized CAM Clay Model
- Formulace zobecněného CAM Clay modelu (cs)
- Formulation of Generalized CAM Clay Model (en)
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skos:notation
| - RIV/68407700:21110/06:01128264!RIV07-MSM-21110___
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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
| - P(1ET410430516), P(1M0579)
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http://linked.open...iv/cisloPeriodika
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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/68407700:21110/06:01128264
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http://linked.open...riv/jazykVysledku
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http://linked.open.../riv/klicovaSlova
| - Cam clay; Critical state; Hardening; Modeling; Plasticity; Softening; Soil (en)
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http://linked.open.../riv/klicoveSlovo
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http://linked.open...odStatuVydavatele
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http://linked.open...ontrolniKodProRIV
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http://linked.open...i/riv/nazevZdroje
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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...v/svazekPeriodika
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http://linked.open...iv/tvurceVysledku
| - Janda, Tomáš
- Šejnoha, Michal
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number of pages
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http://localhost/t...ganizacniJednotka
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