Shear failure criterion for RC T-beams

Gregoria Kotsovou, Demetrios M. Cotsovos

Research output: Contribution to journalArticlepeer-review

18 Citations (Scopus)
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The paper is concerned with the development of a failure criterion capable of accurately predicting the shear capacity of reinforced concrete T-beams while correctly accounting for the beneficial effect of the increase of the compressive zone due to the presence of flanges. The development of the subject criterion is based on an alternative design method (the compressive force path method) that leads to predictions of reinforced concrete structural behaviour and design solutions considerably different compared to those of the current design codes without however compromising structural performance requirements (mainly associated with ductility and strength). The validity of the proposed failure criterion is verified through a comparative study of the calculated values with their experimentally-established counterparts obtained from an extensive literature survey. Through this comparative study it is demonstrated that the predictions of the proposed criterion provide a closer fit to the available experimental data than their counterparts obtained from the design codes considered.
Original languageEnglish
Pages (from-to)44–55
Number of pages12
JournalEngineering Structures
Early online date23 Jan 2018
Publication statusPublished - 1 Apr 2018


  • compressive force path theory
  • design
  • failure criteria
  • reinforced concrete
  • T-beams


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