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Description
  • Článek směřuje k několika hlediskům návrhu konstrukčních prvků. Hodnoty získané v experimentálním výzkumu jsou použity k numerické simulaci chování skutečného konstrukce. Materiálový model musí správně popisovat charakter porušení. Pro betonové konstrukce s rozvinutými trhlinami musí být stanovena závislost pro popis nelokálního tahového porušení. Byly testovány sady trámců a sledován vliv polypropylenových vláken na chování v ohybu trámců s tradiční podélnou výztuží. Zkoušky ukazují na značný vliv na ohybové trhliny. Materiálové parametry byly statisticky vyhodnoceny. (cs)
  • Paper is directed to some aspects of design structural members considering parameters from experimental investigation and used in numerical simulation of behaviour of a real structure. On the constitutive level the material model has to reproduce the failure modes important for the structural behaviour under consideration. In concrete structures with extensive crack propagation the constitutive law has to describe the nonlocal nature of the tensile fracture. For simulation two different approaches are used and non-linear finite element method as advanced tools for design of reinforced concrete are used. Comparison of numerical results with measured values is presented. Sets of beams have been tested to investigate the influence of polypropylene fibre reinforcement on the mechanical behaviour of conventionally reinforced concrete beams in bending. The test results showed that the flexural cracking varied significantly. Material parameters were evaluated by a stochastic analysis.
  • Paper is directed to some aspects of design structural members considering parameters from experimental investigation and used in numerical simulation of behaviour of a real structure. On the constitutive level the material model has to reproduce the failure modes important for the structural behaviour under consideration. In concrete structures with extensive crack propagation the constitutive law has to describe the nonlocal nature of the tensile fracture. For simulation two different approaches are used and non-linear finite element method as advanced tools for design of reinforced concrete are used. Comparison of numerical results with measured values is presented. Sets of beams have been tested to investigate the influence of polypropylene fibre reinforcement on the mechanical behaviour of conventionally reinforced concrete beams in bending. The test results showed that the flexural cracking varied significantly. Material parameters were evaluated by a stochastic analysis. (en)
Title
  • Experimental and Numerical Research of Fibre Reinforced Concrete Beams
  • Experimental and Numerical Research of Fibre Reinforced Concrete Beams (en)
  • Experimentální a numerický výzkum vláknobetonových trámců (cs)
skos:prefLabel
  • Experimental and Numerical Research of Fibre Reinforced Concrete Beams
  • Experimental and Numerical Research of Fibre Reinforced Concrete Beams (en)
  • Experimentální a numerický výzkum vláknobetonových trámců (cs)
skos:notation
  • RIV/68407700:21110/08:01147736!RIV09-GA0-21110___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GA103/06/1559)
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
  • 367145
http://linked.open...ai/riv/idVysledku
  • RIV/68407700:21110/08:01147736
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • fibreconcrete (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [8873B45D4A59]
http://linked.open...v/mistoKonaniAkce
  • Dundee
http://linked.open...i/riv/mistoVydani
  • Bracknell
http://linked.open...i/riv/nazevZdroje
  • Harnessing Fibres for Concrete Construction
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...iv/tvurceVysledku
  • Broukalová, Iva
  • Kohoutková, Alena
  • Krátký, Jiří
  • Vodička, Jan
http://linked.open...vavai/riv/typAkce
http://linked.open.../riv/zahajeniAkce
number of pages
http://purl.org/ne...btex#hasPublisher
  • IHS BRE Press
https://schema.org/isbn
  • 978-1-84806-042-5
http://localhost/t...ganizacniJednotka
  • 21110
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