圧電材料を用いた損傷自己検知型デバイスの開発とそのシステム化に関する研究

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Detecting the damage to the foundations embedded in soil layers is rather difficult whencompared with the detection of the damage to the superstructures. Therefore, this study develops a damage-detector device utilizing the piezoelectric materials for the detection. The performance of this device is verified by conducting RC-beam bending tests. The results of the tests exhibit a good correlation between the response of the device, which is compatible to the voltage due to the electric polarization, and the response ductility of the damaged RC-beam specimen.

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