Seismic damage evaluation of ductile R/C beam and column: Part 1 Development of an analytical model for evaluation of crack length in R/C member

Sayaka Igarashi, Masaki Maeda

Research output: Contribution to journalArticle

Abstract

The final goal of this study is to develop an evaluation method of seismic damage in reinforced concrete structural members which is essential in accurate estimation of reparability limit state of R/C buildings damaged due to earthquakes. Firstly, general concept and outline of damage evaluation procedure of ductile R/C members were presented. Parti focused on proposal of an analytical model for crack length evaluation in ductile column and beam was developed. the analytical model of crack lengths consists of two parts; Models in and outside the plastic hinge regions which correspond to flexural spring and shear spring, respectively, for the frame analysis under and/or seismic loads. the proposed models calculated total crack length from the predicted number and average length of flexural and shear cracks. Finally, crack length evaluated by the proposed method was compared with authors' column and beam specimens and relatively good agreement was observed.

Original languageEnglish
Pages (from-to)1121-1127
Number of pages7
JournalJournal of Structural and Construction Engineering
Volume75
Issue number652
DOIs
Publication statusPublished - 2010 Jun 1

Keywords

  • Crack length
  • Damage evaluation
  • Reparability performance

ASJC Scopus subject areas

  • Architecture
  • Building and Construction

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