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Drying Concrete: Experimental and Numerical Modeling

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21110%2F16%3A00242988" target="_blank" >RIV/68407700:21110/16:00242988 - isvavai.cz</a>

  • Result on the web

    <a href="http://ascelibrary.org/doi/10.1061/%28ASCE%29MT.1943-5533.0001577" target="_blank" >http://ascelibrary.org/doi/10.1061/%28ASCE%29MT.1943-5533.0001577</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1061/(ASCE)MT.1943-5533.0001577" target="_blank" >10.1061/(ASCE)MT.1943-5533.0001577</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Drying Concrete: Experimental and Numerical Modeling

  • Original language description

    Drying of concrete is a major reason for concrete shrinkage, which significantly influences cracking and durability of concrete structures. Therefore a pilot test was executed in which progressive drying of concrete was measured at different depths under the concrete surface exposed to environmental conditions. Pore relative humidity distribution throughout a cross section (in depths from 3 to 10 cm) of concrete specimens was measured experimentally over the time range of 10 months. Then a moisture diffusion process is formulated mathematically and solved using recent models for moisture diffusivity and moisture capacity, and taking its nonlinearity into account. Numerical modeling is carried out using finite elements implemented into advanced numerical algorithm. Simplified analysis is also provided. Measured and calculated values are compared and moisture diffusivity is calibrated to the experimental results. Comparisons between measured and calculated values have pointed to the complexity of the drying process as well as the incapability of the used models to predict drying of concrete with the desired precision. This experiment is a pilot test of an experimental program and verifies the feasibility of humidity measurements.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    JN - Civil engineering

  • OECD FORD branch

Result continuities

  • Project

    Result was created during the realization of more than one project. More information in the Projects tab.

  • Continuities

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

Others

  • Publication year

    2016

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    Journal of Materials in Civil Engineering (ASCE)

  • ISSN

    0899-1561

  • e-ISSN

  • Volume of the periodical

    28

  • Issue of the periodical within the volume

    9

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    8

  • Pages from-to

  • UT code for WoS article

    000383143300010

  • EID of the result in the Scopus database

    2-s2.0-84982315641