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MODELING TIME-DEPENDENT DEFORMATIONS OF CONCRETE MEMBERS SUBJECTED TO SYMMETRIC AND ASYMMETRIC DRYING

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21110%2F21%3A00349900" target="_blank" >RIV/68407700:21110/21:00349900 - isvavai.cz</a>

  • Result on the web

    <a href="https://doi.org/10.14311/APP.2021.30.0024" target="_blank" >https://doi.org/10.14311/APP.2021.30.0024</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.14311/APP.2021.30.0024" target="_blank" >10.14311/APP.2021.30.0024</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    MODELING TIME-DEPENDENT DEFORMATIONS OF CONCRETE MEMBERS SUBJECTED TO SYMMETRIC AND ASYMMETRIC DRYING

  • Original language description

    The time-dependent behavior of concrete members with uniform cross-section subjected to symmetric drying can be predicted with one of many models anchored in the design codes. Since these models use the cross-sectional approach, only the average quantities can be obtained. More complex phenomena can be investigated by means of a coupled hygro-mechanical finite element analysis. Owing to insufficient or missing experimental data, the input parameters for the moisture transport model are often tuned to match the development of axial shrinkage or moisture loss measured on small-scale laboratory specimens. In this paper it is assessed whether this approach leads to a unique set of parameters of the Bažant-Najjar model for moisture diffusion. Additionally, for the selected sets of parameters the analysis is repeated with modified size and/or boundary conditions leading to asymmetric drying and the results are discussed.

  • Czech name

  • Czech description

Classification

  • Type

    D - Article in proceedings

  • CEP classification

  • OECD FORD branch

    20102 - Construction engineering, Municipal and structural engineering

Result continuities

  • Project

    <a href="/en/project/GA19-20666S" target="_blank" >GA19-20666S: Shrinkage-induced deformations and microcracking in structural concrete - monitoring, modeling and identification</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2021

  • Confidentiality

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

Data specific for result type

  • Article name in the collection

    NMM 2020 Nano & Macro Mechanics

  • ISBN

    978-80-01-06840-3

  • ISSN

  • e-ISSN

    2336-5382

  • Number of pages

    7

  • Pages from-to

    24-30

  • Publisher name

    České vysoké učení technické v Praze

  • Place of publication

    Praha

  • Event location

    Praha

  • Event date

    Sep 17, 2020

  • Type of event by nationality

    EUR - Evropská akce

  • UT code for WoS article