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Mechanical Properties Improvement of Fiber Reinforced Concrete

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21110%2F19%3A00332672" target="_blank" >RIV/68407700:21110/19:00332672 - isvavai.cz</a>

  • Alternative codes found

    RIV/68407700:21720/19:00332672

  • Result on the web

    <a href="https://ojs.cvut.cz/ojs/index.php/APP/article/view/5670/5081" target="_blank" >https://ojs.cvut.cz/ojs/index.php/APP/article/view/5670/5081</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.14311/APP.2019.22.0123" target="_blank" >10.14311/APP.2019.22.0123</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Mechanical Properties Improvement of Fiber Reinforced Concrete

  • Original language description

    Fiber reinforced concrete mechanical properties are limited due to low adhesion between polymer fibers and cement matrix. To ensure a strong interaction between the two materials, polypropylene fibers (d = 0.305mm) were modified by an oxygen plasma treatment. The interface interaction was moreover activated using finely ground concrete recyclate, whose individual grains (1–64 μm) ensure an adhesion improvement in interfacial zones. The adhesion enhancement was verified by pull-out tests, when reference and modified fibers were pulled-out from cement matrix specimens. Such obtained results were used as a crucial parameter to numerical simulations of bending tests of specimens (550 x 150 x 150mm) with properties following fiber reinforced concrete. It was shown that samples reinforced with modified fibers and contained activating recyclate reached on higher residual bending strength then those with reference fibers.

  • Czech name

  • Czech description

Classification

  • Type

    D - Article in proceedings

  • CEP classification

  • OECD FORD branch

    20101 - Civil engineering

Result continuities

  • Project

    <a href="/en/project/GA17-06771S" target="_blank" >GA17-06771S: Research into possibilities of utilizing micronized recycled concrete to be used as filler with binding capacity</a><br>

  • Continuities

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

Others

  • Publication year

    2019

  • Confidentiality

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

Data specific for result type

  • Article name in the collection

    SPECIAL CONCRETE AND COMPOSITES 2018

  • ISBN

    978-80-01-06594-5

  • ISSN

  • e-ISSN

    2336-5382

  • Number of pages

    5

  • Pages from-to

    123-127

  • Publisher name

    České vysoké učení technické v Praze

  • Place of publication

    Praha

  • Event location

    Hotel Skalsky Dvur, Lisek

  • Event date

    Oct 11, 2018

  • Type of event by nationality

    WRD - Celosvětová akce

  • UT code for WoS article