Behaviour and design of large rectangular openings in reinforced concrete beams

Necdet Torunbalci*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)


A nonlinear finite element analysis is presented in this paper as a method for predicting the behaviour of reinforced concrete beams containing large openings. Such beams are studied under increasing loads, and the effect on the load-carrying capacity due to the loss of section is investigated. Numerical solutions are given for various opening locations on two groups of beams, one group with web reinforcement and the other without. The effect of the web openings and web reinforcement on the load-carrying capacity of the beams is discussed. The results of the calculations obtained from finite element predictions are compared with the experimental test results and there is a good agreement between the two.

Original languageEnglish
Pages (from-to)91-96
Number of pages6
JournalArchitectural Science Review
Issue number2
Publication statusPublished - 1 Jun 2002


  • Concrete
  • Large openings openings
  • Rectangular openings
  • Reinforced concrete


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