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Description
  • Autogenous deformation is a phenomenon that origins in chemical shrinkage during the cement hydration. The physical mechanism is the consumption of capillary water during the hydration and the refinement of capillary porosity. The microscopic underpressure due to thermo-dynamical equilibrium in a pore exerts the negative pressure on the solid skeleton of the paste. This behavior is simulated by means of FEM, where the microstructure of cement paste is loaded directly by underpressure. Validation shows that creep of the cement paste must be also taken into account when good quantitative prediction is expected.
  • Autogenous deformation is a phenomenon that origins in chemical shrinkage during the cement hydration. The physical mechanism is the consumption of capillary water during the hydration and the refinement of capillary porosity. The microscopic underpressure due to thermo-dynamical equilibrium in a pore exerts the negative pressure on the solid skeleton of the paste. This behavior is simulated by means of FEM, where the microstructure of cement paste is loaded directly by underpressure. Validation shows that creep of the cement paste must be also taken into account when good quantitative prediction is expected. (en)
  • Autogenní deformace je jev, který je následkem chemického smrštění během hydratace. Fyzikálním mechanismem je spotřeba kapilární vody během hydratace a zjemnění kapilární porozity. Mikroskopický podtlak, který vzniká v důsledku zachování termodynamické rovnováhy v póru působí záporným tlakem na pevný skelet cementové pasty. Toto chování je simulováno MKP, kde mikrostruktura je přímo zatížena podtlakem. Ověření ukazuje, že dotvarování pasty se musí vzít v úvahu, pokud je požadována dobrá kvantitativní předpověď. (cs)
Title
  • Modeling Autogenous Shrinkage in Hydrating Cement Paste
  • Modeling Autogenous Shrinkage in Hydrating Cement Paste (en)
  • Modelování autogenního smršťování při hydrataci cementové pasty (cs)
skos:prefLabel
  • Modeling Autogenous Shrinkage in Hydrating Cement Paste
  • Modeling Autogenous Shrinkage in Hydrating Cement Paste (en)
  • Modelování autogenního smršťování při hydrataci cementové pasty (cs)
skos:notation
  • RIV/68407700:21110/06:01122618!RIV07-MSM-21110___
http://linked.open.../vavai/riv/strany
  • 271;283
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • Z(MSM6840770003)
http://linked.open...iv/cisloPeriodika
  • 4
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
  • 486150
http://linked.open...ai/riv/idVysledku
  • RIV/68407700:21110/06:01122618
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • Autogenous deformation; cement paste (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • CZ - Česká republika
http://linked.open...ontrolniKodProRIV
  • [75C497276588]
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...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 13
http://linked.open...iv/tvurceVysledku
  • Bittnar, Zdeněk
  • Šmilauer, Vít
http://linked.open...n/vavai/riv/zamer
issn
  • 1210-2717
number of pages
http://localhost/t...ganizacniJednotka
  • 21110
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