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  • 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)
Title
  • Formulation of Generalized CAM Clay Model
  • Formulace zobecněného CAM Clay modelu (cs)
  • Formulation of Generalized CAM Clay Model (en)
skos:prefLabel
  • Formulation of Generalized CAM Clay Model
  • Formulace zobecněného CAM Clay modelu (cs)
  • Formulation of Generalized CAM Clay Model (en)
skos:notation
  • RIV/68407700:21110/06:01128264!RIV07-MSM-21110___
http://linked.open.../vavai/riv/strany
  • 367;384
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(1ET410430516), P(1M0579)
http://linked.open...iv/cisloPeriodika
  • 5
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 476195
http://linked.open...ai/riv/idVysledku
  • RIV/68407700:21110/06:01128264
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • Cam clay; Critical state; Hardening; Modeling; Plasticity; Softening; Soil (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • CZ - Česká republika
http://linked.open...ontrolniKodProRIV
  • [584593361339]
http://linked.open...i/riv/nazevZdroje
  • Engineering Mechanics
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 13
http://linked.open...iv/tvurceVysledku
  • Janda, Tomáš
  • Šejnoha, Michal
issn
  • 1210-2717
number of pages
http://localhost/t...ganizacniJednotka
  • 21110
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