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On the use of finite element method and LEFM to assess bearing capacity of historic notched timber beams at arbitrary location

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378297%3A_____%2F24%3A00575141" target="_blank" >RIV/68378297:_____/24:00575141 - isvavai.cz</a>

  • Result on the web

    <a href="https://doi.org/10.1007/978-3-031-39450-8_21" target="_blank" >https://doi.org/10.1007/978-3-031-39450-8_21</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1007/978-3-031-39450-8_21" target="_blank" >10.1007/978-3-031-39450-8_21</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    On the use of finite element method and LEFM to assess bearing capacity of historic notched timber beams at arbitrary location

  • Original language description

    As notched beams are often and commonly found in historic structures, the assessment of potential bearing capacity is of utmost importance. In practice a few equations are found in the standards dealing with the problem, nevertheless, common use is only on tension side near the ends of the beams. To fill the gap and also allow for computing the critical force of arbitrary notched beam under arbitrary loads the authors use energy-based approach along with FEM. The idea is based on simple virtual crack closure technique and calculation of the work consumed by the crack to grow. Such a method is able to assess the bearing capacity of the whole beam. This procedure allows for a detailed analysis of the problem in real structure. The method described above is documented in the paper and a numerical model is constructed in ANSYS. The assessed values are compared to experimental work on real timber beams. Experimental work consisted of testing 9 beams (softwood, Norway spruce) with dimensions 0.2 × 0.25 × 5.9 m, a cut in the central part of the beam and 4-point bending load scenario. The numerical analysis is able to assess the critical load relatively well. Results are critically evaluated and drawbacks are discussed in-depth.

  • 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/GA21-29389S" target="_blank" >GA21-29389S: Experimental and numerical assessment of the bearing capacity of notches in timber beams at arbitrary locations using LEFM</a><br>

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2024

  • Confidentiality

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

Data specific for result type

  • Article name in the collection

    Structural analysis of historical constructions. SAHC 2023

  • ISBN

    978-3-031-39449-2

  • ISSN

    2211-0844

  • e-ISSN

    2211-0852

  • Number of pages

    9

  • Pages from-to

    259-267

  • Publisher name

    Springer

  • Place of publication

    Cham

  • Event location

    Kyoto

  • Event date

    Sep 11, 2023

  • Type of event by nationality

    WRD - Celosvětová akce

  • UT code for WoS article