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A platform for research: civil engineering, architecture and urbanism
Proof-of-concept experimental study of damage detection of concrete piles using embedded piezoceramic transducers
This paper presents a proof-of-concept experimental study of an innovative active-sensing approach for damage detection of concrete piles by using embedded piezoceramic transducers. In the proposed active-sensing approach, one piezoceramic transducer is used as an actuator to generate a stress wave to propagate through the concrete pile and the other distributed piezoceramic transducers are used as sensors to detect the wave response. Cracks or damage inside the concrete structure act as stress relief in the wave propagation path. The amplitude of the wave and the transmission energy will decrease due to the existence of cracks or damage. Experiments were performed on two bored piles instrumented with embedded piezoceramic transducers. The experimental results demonstrate the effectiveness of the proposed approach for pile damage detection.
Proof-of-concept experimental study of damage detection of concrete piles using embedded piezoceramic transducers
This paper presents a proof-of-concept experimental study of an innovative active-sensing approach for damage detection of concrete piles by using embedded piezoceramic transducers. In the proposed active-sensing approach, one piezoceramic transducer is used as an actuator to generate a stress wave to propagate through the concrete pile and the other distributed piezoceramic transducers are used as sensors to detect the wave response. Cracks or damage inside the concrete structure act as stress relief in the wave propagation path. The amplitude of the wave and the transmission energy will decrease due to the existence of cracks or damage. Experiments were performed on two bored piles instrumented with embedded piezoceramic transducers. The experimental results demonstrate the effectiveness of the proposed approach for pile damage detection.
Proof-of-concept experimental study of damage detection of concrete piles using embedded piezoceramic transducers
Wang, R.L. (author) / Gu, H. (author) / Mo, Y.L. (author) / Song, G. (author)
Smart Materials and Structures ; 22 ; 042001/1-042001/4
2013
4 Seiten, 18 Quellen
Article (Journal)
English
Schadenserkennung , Säule (Stütze) , Beton , piezokeramischer Sensor , piezokeramischer Aktor , Bleizirkonattitanat , intelligenter Sensor , direktes Messverfahren , Langzeitmessung , Verfahrensschema , Versuchsaufbau , Einbettung , Spannungswelle , Wellenausbreitung , Amplitude , piezoelektrischer Wandler , Konzeptstudie
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