Simultaneous Application of Coda Waves Interferometry (CWI) and Nonlinear Resonance (NR) to Detect Damage in Polymer Concrete

@inproceedings{Toumi2011SimultaneousAO,
  title={Simultaneous Application of Coda Waves Interferometry (CWI) and Nonlinear Resonance (NR) to Detect Damage in Polymer Concrete},
  author={Souad Toumi and Mourad Bentahar and Charfeddine Mechri and Fouad Boubenider and Rachid El Guerjouma},
  year={2011}
}
In this study, we present the characterisation of damage in polymer concrete using coda waves interferometry (CWI). The latter takes into account the multi-scattered acoustic waves, whose travelling distances are considerably longer than the one corresponding to the direct wave (emitter-receiver direct distance). Experimentally, we prove that CWI is not always appropriate to detect damage. Therefore, we propose an original approach through which the interaction CWI with damage is optimised… CONTINUE READING

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