A practice-oriented approach for the assessment of brittle failures in existing reinforced concrete elements

Flavia De Luca*, Gerardo M. Verderame

*Corresponding author for this work

Research output: Contribution to journalArticle (Academic Journal)

23 Citations (Scopus)
381 Downloads (Pure)

Abstract

A practice-oriented approach was used to assess shear failures in existing reinforced concrete (RC) elements. A simple tool, in form of non-dimensional domains, is obtained considering the capacity models suggested by European and Italian codes. The reliability of failure domains depend strictly on the reliability of the shear capacity model employed; thus, a critical review of code and literature analytical formulations was also carried out. Sezen and Moehle’s experimental database was, then, used to compare the different shear capacity models considered. The code and literature review of shear capacity models emphasizes differences and affinities of the analytical approaches followed in different countries. The domains carried out can be used as a practical instrument aimed at checking shear-flexure hierarchy in existing RC elements and contextualized in the framework of preliminary assessment given the character of input information required. Preliminary applications of the domains are also provided, and emphasize the effectiveness of the new tool for detailed and large scale assessment of existing RC structures.
Original languageEnglish
Pages (from-to)373-388
Number of pages16
JournalEngineering Structures
Volume48
Early online date27 Nov 2012
DOIs
Publication statusPublished - 1 Mar 2013

Bibliographical note

Accepted 24 September 2012

Keywords

  • Existing RC elements
  • Fast assessment
  • Shear capacity model
  • Shear-flexure hierarchy

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