Tipping point analysis of cracking in reinforced concrete

M Perry, V Livina, P Niewczas

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

In this work, we demonstrate that tipping point analysis of strain data can provide reactive and predictive indicators of cracking and structural transitions in a reinforced concrete system. The
method is able to detect trend-driven transitions in a short time series of approximately 2000 datapoints, providing a clear indication of when a concrete beam under gradual bending
progresses from a linear to a nonlinear strain response. The method is also able to provide an early warning signal of the appearance of bifurcations, such as cracks, with a forewarning of
200–500 datapoints. The method, which was originally developed for applications in geophysics, shows promising results in the area of structural health monitoring, in particular, for
real-time observations of civil constructions.
LanguageEnglish
Article number015027
Number of pages9
JournalSmart Materials and Structures
Volume25
Issue number1
DOIs
Publication statusPublished - 11 Dec 2015

Fingerprint

Reinforced concrete
Geophysics
structural health monitoring
warning systems
Structural health monitoring
geophysics
Time series
indication
cracks
Concretes
Cracks
trends

Keywords

  • damage detection
  • structural health monitoring
  • bifurcations
  • degenerate finger-printing
  • potential analysis

Cite this

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Tipping point analysis of cracking in reinforced concrete. / Perry, M; Livina, V; Niewczas, P.

In: Smart Materials and Structures, Vol. 25, No. 1, 015027, 11.12.2015.

Research output: Contribution to journalArticle

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