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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Abstract

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
Pages1835-1841
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
http://www.fibkrakow2019.pl/index.php

Conference

Conferencefib Symposium 2019
LocationKracow University of Technology
CountryPoland
CityKrakow
Period27/05/201929/05/2019
Internet address
Seriesfib symposium proceedings
ISSN2617-4820

Keywords

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

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