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Electrochemical injection of nanoparticles into existing reinforced concrete structures

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21110%2F15%3A00232203" target="_blank" >RIV/68407700:21110/15:00232203 - isvavai.cz</a>

  • Result on the web

    <a href="http://dx.doi.org/10.1007/978-3-319-17088-6_27" target="_blank" >http://dx.doi.org/10.1007/978-3-319-17088-6_27</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1007/978-3-319-17088-6_27" target="_blank" >10.1007/978-3-319-17088-6_27</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Electrochemical injection of nanoparticles into existing reinforced concrete structures

  • Original language description

    This paper deals with the chloride extraction from concrete and shows possibilities of injection of selected nanoparticles and a hydrophobic agent into existing reinforced concrete structures by means of electromigration technique. Accelerated chloride penetration tests are employed to simulate natural chloride exposure. The developed chloride profile is then removed by electroextraction. Similarly, specimens are injected with different concentrations of colloidal nanosilica particles and a siliconate.It is shown in the paper that chlorides can be effectively extracted from the concrete using small voltage lasting for several days. Solutions of nanosilica and siliconate can be transported into concrete via the electric field. Once injected nanosilicacan act as a microstructure densifier and further reduce chloride penetration due to the decreased diffusivity of the treated concrete. Siliconate acts on hydrohobization of the outer specimen layer.

  • Czech name

  • Czech description

Classification

  • Type

    D - Article in proceedings

  • CEP classification

    JN - Civil engineering

  • OECD FORD branch

Result continuities

  • Project

    <a href="/en/project/GA13-18652S" target="_blank" >GA13-18652S: Computational modeling of damage and transport processes in quasi-brittle materials</a><br>

  • Continuities

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

Others

  • Publication year

    2015

  • Confidentiality

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

Data specific for result type

  • Article name in the collection

    Nanotechnology in Construction

  • ISBN

    978-3-319-17087-9

  • ISSN

  • e-ISSN

  • Number of pages

    6

  • Pages from-to

    213-218

  • Publisher name

    Springer

  • Place of publication

    New York

  • Event location

    Chicago

  • Event date

    May 24, 2015

  • Type of event by nationality

    WRD - Celosvětová akce

  • UT code for WoS article