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Application of Semi-Probabilistic Methods to Verification of Series System

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21610%2F21%3A00354385" target="_blank" >RIV/68407700:21610/21:00354385 - isvavai.cz</a>

  • Result on the web

    <a href="https://doi.org/10.35181/tces-2021-0018" target="_blank" >https://doi.org/10.35181/tces-2021-0018</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.35181/tces-2021-0018" target="_blank" >10.35181/tces-2021-0018</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Application of Semi-Probabilistic Methods to Verification of Series System

  • Original language description

    Non-linear finite element analysis (NLFEA) has become a widely used tool in the reliability verification of reinforced concrete (RC) structures. Reliability assessment of RC structures is a challenging task and simplified approaches to reliability verifications are needed to allow for routine applications. Simplified semi-probabilistic methods such as the partial factor method (PFM) or the Method of Estimation of Coefficient of Variation (ECoV) may yield over- or under-conservative approximations. This contribution investigates such errors related to the applications of these two methods to series systems; the design resistances obtained by the probabilistic approach are considered as a reference level. It appears that PFM provides good approximations as the method is focused on critical members in the cases under consideration. ECoV may overestimate up to 20% in situations where NLFEA based on mean and/ or characteristic values fails to identify a dominating failure mode. The maximum observed error is attributed mainly to the failure in identifying the type of distribution of the system resistance. The presented limited analysis indicates several directions for further research (analysis of other types of structural systems, cases with non-lognormal resistances, effects of a number of system components, and their mutual correlations, and performance of advanced methods for reliability verification). Recommendations on how to identify situations when a significant error can be expected should be provided for practical applications of simplified semi-probabilistic methods.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>ost</sub> - Miscellaneous article in a specialist periodical

  • CEP classification

  • OECD FORD branch

    20101 - Civil engineering

Result continuities

  • Project

    <a href="/en/project/GA20-01781S" target="_blank" >GA20-01781S: Uncertainty modelling in safety formats of concrete structures</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

  • Name of the periodical

    Transactions of the VSB - Technical University of Ostrava. Construction Series

  • ISSN

    1804-4824

  • e-ISSN

    1804-4824

  • Volume of the periodical

    21

  • Issue of the periodical within the volume

    2

  • Country of publishing house

    CZ - CZECH REPUBLIC

  • Number of pages

    6

  • Pages from-to

    80-85

  • UT code for WoS article

  • EID of the result in the Scopus database