2016
DOI: 10.4236/ojce.2016.61005
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PZT Based Smart Aggregate for Unified Health Monitoring of RC Structures

Abstract: The most familiar civil engineering structure is reinforced concrete (RC) structure. Performance of structure undergoes changes during their service life with time. Thus, it is of great concern to monitor the health of RC structure. Structural health monitoring (SHM) is the art of detecting the changes in structure that influences its performance. Various techniques to monitor the health of structure are broadly studied worldwide. PZT based smart aggregate can play an effective role as an advanced tool in the … Show more

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Cited by 11 publications
(3 citation statements)
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“…PZT piezoelectric ceramics are often used as sensors for real-time SHM in civil infrastructures. For instance, PZT sensors can detect and monitor cement hydration, strength development, crack damage and rebar corrosion in tunnel linings, concrete pavements and RC structures through changes in output resistance, voltage, and dielectric constant [2][3][4][6][7][8] . Moreover, PZT sensors through wave propagation 6,9 and electromechanical impedance (EMI) 10,11 have proven to be effective techniques for monitoring and detecting cementitious materials and RC structures.…”
Section: Introductionmentioning
confidence: 99%
“…PZT piezoelectric ceramics are often used as sensors for real-time SHM in civil infrastructures. For instance, PZT sensors can detect and monitor cement hydration, strength development, crack damage and rebar corrosion in tunnel linings, concrete pavements and RC structures through changes in output resistance, voltage, and dielectric constant [2][3][4][6][7][8] . Moreover, PZT sensors through wave propagation 6,9 and electromechanical impedance (EMI) 10,11 have proven to be effective techniques for monitoring and detecting cementitious materials and RC structures.…”
Section: Introductionmentioning
confidence: 99%
“…The method based on piezoelectric transducers was applied to interfacial debonding detection of various structures, including reinforced concrete structures, concrete-filled steel tubes, and concrete-encased composite structures [31][32][33][34][35]. Using the PZT-based active sensing method, damage detection of various structures was carried out [36][37][38][39][40][41][42][43]. However, research on concrete infill compactness detection in CFFT is very limited.…”
Section: Introductionmentioning
confidence: 99%
“…Wang et al [3] proposed a health monitoring method based on EMI measurements, which used the electromechanical coupling property of embedded PZT transducers. Khante and Gedam [4] experimentally monitored the health of RC structure by embedding indigenously prepared PZT based smart aggregate in two phases i.e. for healthy and damaged state of RC specimen.…”
Section: Introductionmentioning
confidence: 99%