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Experimental and numerical evaluation of uhpfrc slabs subjected to contact and close-in explosion

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21110%2F20%3A00336042" target="_blank" >RIV/68407700:21110/20:00336042 - isvavai.cz</a>

  • Result on the web

    <a href="http://dx.doi.org/10.4028/www.scientific.net/SSP.309.180" target="_blank" >http://dx.doi.org/10.4028/www.scientific.net/SSP.309.180</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.4028/www.scientific.net/SSP.309.180" target="_blank" >10.4028/www.scientific.net/SSP.309.180</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Experimental and numerical evaluation of uhpfrc slabs subjected to contact and close-in explosion

  • Original language description

    This paper presents achievements in the field of the numerical simulation of the fibre reinforced concrete (FRC) and ultra-high performance fibre reinforced concrete (UHPFRC). The numerical simulations were performed to verify results of two experimental programmes focused on the blast resistance of FRC and UHPFRC. The response of the FRC and UHPFRC slabs to the contact and near-field blast was studied in these two experiments. As the detail behaviour of specimens could not be observed because of the blast load, the numerical models were prepared. The accuracy of the numerical models was evaluated based on the comparison of numerical and experimental results. Different approaches for blast simulation were tested and compared. The results indicate that the various phenomena (e.g. overpressure propagation, stress cumulation, crack propagation and damage extend) can be successfully simulated. However, the comparison of the soffit velocity, measured with the PDV unit and numerical model showed shortcomings of the numerical model. These numerical model inaccuracies are discussed and their reasons presented.

  • 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/GA17-23067S" target="_blank" >GA17-23067S: Performance of concrete subjected to blast and subsequent fire loading</a><br>

  • Continuities

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

Others

  • Publication year

    2020

  • Confidentiality

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

Data specific for result type

  • Article name in the collection

    26th Concrete Days

  • ISBN

    978-3-0357-1668-9

  • ISSN

    1012-0394

  • e-ISSN

    1662-9779

  • Number of pages

    6

  • Pages from-to

    180-185

  • Publisher name

    Trans Tech Publications

  • Place of publication

    Curich

  • Event location

    Hradec Králové

  • Event date

    Nov 20, 2019

  • Type of event by nationality

    WRD - Celosvětová akce

  • UT code for WoS article