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  • Creep of concrete is strongly affected by the evolution of pore humidity and temperature, which in turn depend on the environmental conditions and on the size and shape of the concrete member. Current codes of practice take that into account only approximately, in a very simplified way. More realistic description can be achieved by advanced models, such as model B3, which is based on the solidification theory, and its improved version that uses the concept of microprestress. In this contribution, efficient computational algorithms for the microprestress-solidification theory are developed and their implementation into an objectoriented finite element framework is described. Accuracy of the numerical algorithm is assessed and the predictions of drying creep are compared to a simpler version of B3 model.
  • Creep of concrete is strongly affected by the evolution of pore humidity and temperature, which in turn depend on the environmental conditions and on the size and shape of the concrete member. Current codes of practice take that into account only approximately, in a very simplified way. More realistic description can be achieved by advanced models, such as model B3, which is based on the solidification theory, and its improved version that uses the concept of microprestress. In this contribution, efficient computational algorithms for the microprestress-solidification theory are developed and their implementation into an objectoriented finite element framework is described. Accuracy of the numerical algorithm is assessed and the predictions of drying creep are compared to a simpler version of B3 model. (en)
Title
  • Modeling of Concrete Creep Based on Microprestress-solidification Theory
  • Modeling of Concrete Creep Based on Microprestress-solidification Theory (en)
skos:prefLabel
  • Modeling of Concrete Creep Based on Microprestress-solidification Theory
  • Modeling of Concrete Creep Based on Microprestress-solidification Theory (en)
skos:notation
  • RIV/68407700:21110/10:00171795!RIV11-GA0-21110___
http://linked.open...avai/riv/aktivita
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  • P(GAP105/10/2400), S
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  • 271864
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  • RIV/68407700:21110/10:00171795
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  • creep; shrinkage; concrete; compliance function; exponential algorithm; Dirichlet series; Kelvin chain; solidification; microprestress; finite elements (en)
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http://linked.open...ontrolniKodProRIV
  • [CD0E118527A6]
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  • Praha
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  • Praha
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  • Proceedings of International Conference on Modelling and Simulation 2010 in Prague
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  • Havlásek, Petr
  • Jirásek, Milan
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http://linked.open.../riv/zahajeniAkce
number of pages
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  • České vysoké učení technické v Praze
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  • 978-80-01-04574-9
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  • 21110
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