Počet záznamů: 1

Total load-bearing capacity of yielding steel arch supports

  1. 1.
    0462325 - UGN-S 2017 RIV GB eng C - Konferenční příspěvek (zahraniční konf.)
    Horyl, P. - Maršálek, P. - Šňupárek, Richard - Pacześnowski, K.
    Total load-bearing capacity of yielding steel arch supports.
    Rock Mechanics and Rock Engineering: From the Past to the Future. London: CRC Press, Taylor and Francis Group, 2016 - (Ulusay, R.; Aydan, Ö.; Gercek, A.; Hindistan, H.; Tuncay, E.), s. 897-1203. Volume 2. ISBN 978-1-138-03265-1.
    [EUROCK 2016 - 2016 ISRM International Symposium. Cappadocia (TR), 29.08.2016-31.08.2016]
    Grant CEP: GA MŠk(CZ) LO1406; GA MŠk ED2.1.00/03.0082
    Institucionální podpora: RVO:68145535
    Klíčová slova: load-bearing * mining * yielding steel
    Kód oboru RIV: DH - Báňský průmysl vč. těžby a zpracování uhlí

    The paper deals with the total load-bearing capacity of steel arch yielding supports of roadways
    which is inevitable for design of the roadway support.The authors compared results of a finite element (FE) model
    they developed with results of experimental tests of steel arch supports in laboratory. Computer modelling of the
    load-bearing capacity of the steel arch support was performed using the massively scalable strongly nonlinear
    solver MARC.The finite element models of the arch supports and stirrups were created and assembled according
    to drawings without shape simplification. An experimental investigation was realized in the Laboratory of
    Mechanical Devices Testing at GIG Katowice. The computer model of the steel arch support captures very well
    the strength and deformation behaviour of the arch support. The value of the loading capacity of the yielding
    arch supports at the moment of first slip represents with sufficient accuracy the total load-bearing capacity of
    arch supports at the specified loading conditions. The mathematical modelling facilitates reliable parametric
    studies of the steel arch support’s total load bearing capacity from the viewpoint of construction, shape, material,
    optimal yielding connections and a scheme of loading.
    Trvalý link: http://hdl.handle.net/11104/0261795
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