Quantitative approach for damage detection of reinforced concrete frames

Yoshio Kaneko, Akira Mita, Hirozo Mihashi

Research output: Contribution to journalArticle

Abstract

The objective of this paper is to provide an analytical basis for the quantitative evaluation of damage to a reinforced concrete structure based on the vibration data obtained by using the damage detection technique. A partial reinforced concrete system of a weak beam/strong column moment frame is chosen as an example. A pushover analysis is carried out in order to numerically examine both the story shear-relative displacement characteristics and the associated damage level. In the analysis, a two dimensional nonlinear finite element analysis is employed considering several constitutive models. As a result, the degradation of the stiffness at the damaged story is characterized in association with the story relative displacement. It is also pointed out that the rotation angle of the column-base is highly correlated with the story relative displacement. Based on the analytical findings, quantitative approaches for a structural health monitoring system are suggested considering both the current sensor technologies and those available in the future.

Original languageEnglish
Pages (from-to)147-158
Number of pages12
JournalEarthquake Engineering and Engineering Vibration
Volume2
Issue number1
DOIs
Publication statusPublished - 2003 Jun

Keywords

  • Nonlinear FEM analysis
  • Reinforced concrete structure
  • Rotation angle of column-base
  • Story stiffness
  • Structural health monitoring

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Building and Construction
  • Geotechnical Engineering and Engineering Geology
  • Mechanical Engineering

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