Three-dimensional submodel for modelling of joints in precast concrete structures

Morten Andersen Herfelt, Peter Noe Poulsen, Linh Cao Hoang, Jesper F. Jensen

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    Abstract

    The shear capacity of in-situ cast joints is crucial to the overall stability of precast concrete structures. The current design is based on empirical formulas, which account for neither the reinforcement layout of the joint nor the three-dimensional stress states present within the joint. In this paper, a semi-analytical submodel is presented. The model is formulated as an optimisation problem within the framework of numerical limit analysis. The presented submodel is capable of describing the key mechanisms within the joint and the model is verified by comparison to existing numerical models. The shear capacity of the joint subjected to triaxial stress states is analysed and the results are discussed.
    Original languageEnglish
    Title of host publicationProceedings of the 11th fib International PhD Symposium in Civil Engineering
    EditorsKoichi Maekawa, Akio Kasuga, Jun Yamazaki
    Number of pages8
    Publication date2016
    Pages865-872
    ISBN (Electronic)978-4-9909148-0-6
    Publication statusPublished - 2016
    Event11th fib International PhD Symposium in Civil Engineering - Tokyo, Japan
    Duration: 29 Aug 201631 Aug 2016
    Conference number: 11

    Conference

    Conference11th fib International PhD Symposium in Civil Engineering
    Number11
    Country/TerritoryJapan
    CityTokyo
    Period29/08/201631/08/2016

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