Smart embedded PZT sensor for in-situ elastic property and vibration measurements in concrete

Kocherla, Amarteja and Duddi, Murali and Subramaniam, Kolluru V.L. (2021) Smart embedded PZT sensor for in-situ elastic property and vibration measurements in concrete. Measurement, 173 (108629). ISSN 02632241

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An embeddable PZT-based sensor, which is capable of detecting transient dynamic motion for vibration measurement from a concrete structure, is presented. A circular PZT patch, which provides uniform in-plane sensing capability, is used to develop the sensor. The validity of vibration measurements obtained from the embedded PZT sensor is established using a standard setup. The influence of the orientation of the PZT sensor on capturing the different vibrational modes of the concrete cylinder is studied. The transient dynamic signatures captured from the embedded sensors in a vibration measurement match those obtained from surface mounted accelerometers. The elastic properties of hydrating concrete are determined from the vibration measurements of standard cylinders obtained using the embedded PZT sensors. The ability of the embedded sensors to detect low-level, transient vibration of the concrete structures immediately after setting is demonstrated. The vibration measurements provide a continuous measure of increasing stiffness of an aging concrete medium.

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IITH Creators:
IITH CreatorsORCiD
Subramaniam, Kolluru V.L.UNSPECIFIED
Item Type: Article
Uncontrolled Keywords: Concrete, Elastic properties, Embedded sensor, PZT, Resonance modes, Vibration
Subjects: Civil Engineering > Construction & Building Technology
Civil Engineering
Civil Engineering > Standards
Civil Engineering > Bridges
Civil Engineering > Soil Structure Interaction
Civil Engineering > Instrumentation
Civil Engineering > Geosystems
Civil Engineering > Earthquake Engineering
Divisions: Department of Civil Engineering
Depositing User: . LibTrainee 2021
Date Deposited: 29 May 2021 05:15
Last Modified: 29 May 2021 05:15
Publisher URL:
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