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Description
  • Článek pojednává o modelech pro změkčování betonu založených na kombinaci plasticity a poškození. Lokální plastický model formulovaný v prostoru napětí se kombinuje s nelokálním modelem poškození integrálního typu, pro který je poškození závislé na plastické deformaci. Vývoj plastické oblasti je řízen zákonem zpevnění lokálního plastického modelu. Změna rozložení deformace od rozptýleného po plně lokalizované je popsána exponenciálním zákonem zpevnění se zmenšujícím se modulem zpevnění. Pomocí popsaného modelu se simulují typické testy prostého betonu. (cs)
  • The present paper deals with modeling of the strain softening behavior of concrete by plasticity and nonlocal damage. A stress-based local plasticity model is combined with a integral-type nonlocal damage model driven by the plastic strain. The evolution of the plastic zone is controlled by the hardening law of the local plasticity model. An exponential hardening model (decreasing hardening modulus) is used to describe the evolution of the strain profile from distributed to fully localized. The response of a bar in uniaxial tension and a compact tension test of plain concrete is modeled by the presented plastic-damage model.
  • The present paper deals with modeling of the strain softening behavior of concrete by plasticity and nonlocal damage. A stress-based local plasticity model is combined with a integral-type nonlocal damage model driven by the plastic strain. The evolution of the plastic zone is controlled by the hardening law of the local plasticity model. An exponential hardening model (decreasing hardening modulus) is used to describe the evolution of the strain profile from distributed to fully localized. The response of a bar in uniaxial tension and a compact tension test of plain concrete is modeled by the presented plastic-damage model. (en)
Title
  • Plasticity with Nonlocal Damage, with Application to Concrete Cracking
  • Plasticita s nelokálním poškozením aplikovaná na praskání betonu (cs)
  • Plasticity with Nonlocal Damage, with Application to Concrete Cracking (en)
skos:prefLabel
  • Plasticity with Nonlocal Damage, with Application to Concrete Cracking
  • Plasticita s nelokálním poškozením aplikovaná na praskání betonu (cs)
  • Plasticity with Nonlocal Damage, with Application to Concrete Cracking (en)
skos:notation
  • RIV/68407700:21110/05:01116429!RIV06-MSM-21110___
http://linked.open.../vavai/riv/strany
  • 243 ; 247
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • Z(MSM6840770003)
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
  • 536192
http://linked.open...ai/riv/idVysledku
  • RIV/68407700:21110/05:01116429
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • concrete failure; damage; localization; nonlocal model; plasticity (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [2E70D2853531]
http://linked.open...v/mistoKonaniAkce
  • Cambridge
http://linked.open...i/riv/mistoVydani
  • Oxford
http://linked.open...i/riv/nazevZdroje
  • Computational Fluid and Solid Mechanics 2005
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Jirásek, Milan
  • Grassl, P.
http://linked.open...vavai/riv/typAkce
http://linked.open.../riv/zahajeniAkce
http://linked.open...n/vavai/riv/zamer
number of pages
http://purl.org/ne...btex#hasPublisher
  • Elsevier
https://schema.org/isbn
  • 0-08-044476-8
http://localhost/t...ganizacniJednotka
  • 21110
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