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Limitations of FEM modelling of chloride diffusion when considering different parameters of binary and ternary concrete mixtures

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989100%3A27120%2F20%3A10246575" target="_blank" >RIV/61989100:27120/20:10246575 - isvavai.cz</a>

  • Result on the web

    <a href="http://www.bozpe.bud.pcz.pl/Limitations-of-FEM-modelling-of-chloride-diffusion-nwhen-considering-different-parameters,133218,0,2.html" target="_blank" >http://www.bozpe.bud.pcz.pl/Limitations-of-FEM-modelling-of-chloride-diffusion-nwhen-considering-different-parameters,133218,0,2.html</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.17512/bozpe.2020.2.07" target="_blank" >10.17512/bozpe.2020.2.07</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Limitations of FEM modelling of chloride diffusion when considering different parameters of binary and ternary concrete mixtures

  • Original language description

    The numerical modelling of chloride diffusion in concrete structures requires an appropriate description of input parameters. The main inputs for the model are the diffusion coefficient of concrete and derived aging factor. The model itself can be susceptible to the values of these parameters because of the size of the finite elements and size of the time step. Due to the potential use in probabilistic calculations, which requires millions of simulations, it is desirable to create a highly optimized model. It is important to pay attention to the accuracy of the calculation, but also to its calculation time. The presented results show the possible limits of the finite element model of the diffusion in a concrete structure. This is demonstrated on the reference ordinary Portland cement mixture and 32 various binary and ternary concrete mixtures, which show a significant effect of different diffusion coefficients and aging factors on the overall convergence. This study provides guidance on which extreme material parameters, out of the potential range, may adversely affect model results.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>ost</sub> - Miscellaneous article in a specialist periodical

  • CEP classification

  • OECD FORD branch

    20102 - Construction engineering, Municipal and structural engineering

Result continuities

  • Project

  • Continuities

    V - Vyzkumna aktivita podporovana z jinych verejnych zdroju

Others

  • Publication year

    2020

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Construction of Optimized Energy Potential

  • ISSN

    2299-8535

  • e-ISSN

    2544-963X

  • Volume of the periodical

    Neuveden

  • Issue of the periodical within the volume

    2

  • Country of publishing house

    PL - POLAND

  • Number of pages

    9

  • Pages from-to

    53-61

  • UT code for WoS article

  • EID of the result in the Scopus database