Design charts for rectangular R/C columns under biaxial bending: A historical review towards a Eurocode-2 compliant update

Vassilis Papanikolaou, Anastasios Sextos

Research output: Contribution to journalArticle (Academic Journal)peer-review

5 Citations (Scopus)
4402 Downloads (Pure)

Abstract

The objective of this paper is to review the historical context of design charts for rectangular reinforced concrete columns under biaxial bending, critically assess their evolution in time and provide a new series, compliant to the latest draft of Eurocode 2. The motivation for such a development arises from the different assumptions and recommended values prescribed in the respective National Annexes of individual countries that use the Eurocodes, which essentially yield impossible to design without the aid of specialized, typically commercial, computer codes. Along these lines, a new extensive design chart dataset of unprecedented output quality is made available herein that covers both normal and high-strength concrete as well as different steel grades. The dataset developed is fully validated against conventional procedures while the error induced in design by the use of older design aids is comparatively assessed, clearly highlighting the necessity for a new design charts dataset at least under certain loading and reinforcement configurations. The present charts are expected to provide a valuable tool for the professional community, facilitate the use of Eurocodes and minimize the epistemic uncertainly associated with the use of older or incompatible design charts in the design of reinforced concrete members.
Original languageEnglish
Pages (from-to)196-206
Number of pages11
JournalEngineering Structures
Volume115
Early online date5 Mar 2016
DOIs
Publication statusPublished - 15 May 2016

Keywords

  • Reinforced concrete
  • Biaxial bending
  • Design charts
  • Columns
  • Eurocodes

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