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Developing a multi-mode PZT sensing solution for active SHM in concrete structures

Providakis Konstantinos, Voutetaki Maria-Styliani, Stavroulaki Maria, K.D. Stefanaki, J. Tsompanakis

Πλήρης Εγγραφή


URI: http://purl.tuc.gr/dl/dias/18567F08-299A-41E3-87B3-1F9F162EC06B
Έτος 2013
Τύπος Πλήρης Δημοσίευση σε Συνέδριο
Άδεια Χρήσης
Λεπτομέρειες
Βιβλιογραφική Αναφορά C.P. Providakis, K.D. Stefanaki, M.E. Voutetaki, J. Tsompanakis, M. Stavroulaki, "Developing a multi-mode PZT sensing solution for active SHM in concrete structures, " in 2013 ΙΕΕΕ Sensors Ap. Symp.,pp.61 - 65. doi:10.1109/SAS.2013.6493557 https://doi.org/10.1109/SAS.2013.6493557
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Περίληψη

Two damage detection and identification techniques are integrated in this work, including electromechanical impedance and guided waves methodologies, by using piezoelectric (PZT) patches bonded or embedded to the host structure. In particular, the electromechanical impedance has been used for identifying local damaged regions by monitoring the changes in structural mechanical properties, which are coupled with the electrical impedance of a PZT patch. In the guided wave propagation, one PZT patch acting as an actuator launches an elastic wave through the structure, which is can be measured by another PZT patch. The integration approach of these two methodologies is then straightforward because the same piezoelectric patch can be used for both methods. This integration approach is experimentally validated in this work by developing a reused and “multi-mode” sensing system for damage detection of concrete structures.

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