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Resistance Models for Semi-Probabilistic Assessment of Historic Steel Bridges

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21110%2F20%3A00344552" target="_blank" >RIV/68407700:21110/20:00344552 - isvavai.cz</a>

  • Alternative codes found

    RIV/68407700:21610/20:00344552

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Resistance Models for Semi-Probabilistic Assessment of Historic Steel Bridges

  • Original language description

    The mechanical properties of historic metal materials exhibit a considerable scatter dependent on periods of construction and the region of a producer. Assessments of historic metal bridges then need to be based on measurements and tests. The use of non- or minor-destructive tests (NDTs) is often preferred over destructive tests (DTs) to reduce the cost of a structural survey. This contribution explores the measurement errors associated with common NDT hardness techniques and quantifies uncertainties in design (assessment) values of resistance. When deriving the partial factor, the uncertainty in geometry and model uncertainty is considered along with the variability of a material property and measurement error. Numerical studies reveal the effects of measurement error and model uncertainty (bending, buckling) on assessment values of resistance. A unity mean and coefficient of variation of 12% might be adopted for the measurement uncertainty of the hardness methods under study as a first approximation. On average, the true assessment resistance is by ~15% larger than that based on an NDT survey. Model uncertainty affects the partial factor for the resistance of historic metal bridges.

  • Czech name

  • Czech description

Classification

  • Type

    D - Article in proceedings

  • CEP classification

  • OECD FORD branch

    20102 - Construction engineering, Municipal and structural engineering

Result continuities

  • Project

    <a href="/en/project/DG18P02OVV033" target="_blank" >DG18P02OVV033: The methods for achieving the sustainability of industrial heritage steel bridges</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

    Proceedings of the IABSE Symposium – Synergy of Culture and Civil Engineering – History and Challenges

  • ISBN

    978-3-85748-169-7

  • ISSN

  • e-ISSN

  • Number of pages

    8

  • Pages from-to

    1061-1068

  • Publisher name

    IABSE

  • Place of publication

    Zürich

  • Event location

    Wrocław

  • Event date

    Oct 7, 2020

  • Type of event by nationality

    WRD - Celosvětová akce

  • UT code for WoS article