Assessment of shear strength of deep RC beams and beams with short shear span without transverse reinforcement

Jens-Christian Kragh-Poulsen, Mogens Peter Nielsen, Per Goltermann

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    A shear model, the so-called “crack sliding model”, based on plasticity theory is used in this study of deep reinforced concrete beams and beams with short shear span. The study re-assesses the model by introducing a new effective tensile strength and new effectiveness factors as well as an additional contribution for taking into account the effect of the enchanced failure load for beams with short shear span. The modified model is compared with experimental results. The comparison shows good agreement between model and experiments. Furthermore, the modified model has been compared with the original model to show that the suggested new formulas in general are better for predicting shear strength than the original ones.
    Original languageEnglish
    Title of host publicationProceedings of the fib Symposium 2019
    Publication date2019
    ISBN (Electronic) 978-2-940643-00-4
    Publication statusPublished - 2019
    Eventfib Symposium 2019 : Innovations in Materials, Design, and Structures - Kracow University of Technology, Krakow, Poland
    Duration: 27 May 201929 May 2019


    Conferencefib Symposium 2019
    LocationKracow University of Technology
    Internet address
    Seriesfib symposium proceedings


    • Plasticity theory
    • Transverse stress
    • Shear strength
    • Deep reinforced concrete beams
    • Beams with short shear span


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