Multiple Crack Detection of Concrete Structures Using Impedance-based Structural Health Monitoring Techniques

By Seun-Young Park, S. Ahmad, Chung Bang Yun, Yongrae Roh. 2006

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Electromechanical impedance of piezoelectric transducers for monitoring metallic and non-metallic structures: A review of wired, wireless and energy-harvesting methods (2013, methodology): “An on-board active sensor system consisted of a miniaturized impedance measuring chip (AD5933) and a self-sensing MFC patch was utilized as a nextgeneration toolkit of the EMI-based SHM system.”
Cyclic Crack Monitoring of a Reinforced Concrete Column under Simulated Pseudo-Dynamic Loading Using Piezoceramic-Based Smart Aggregates (2016, methodology): “The impedance-based approach has been applied to RC beams [29,30], frames [31], shear walls [15], and composite RC/masonry walls [32],”
Electrical Impedance Tomographic Methods for Sensing Strain Fields and Crack Damage in Cementitious Structures (2009, background): “A direct extension of the active stress wave approach is the electromechanical impedance spectra method where the electromechanical impedance spectrum of a piezoelectric transducer is used to detect cracking in the vicinity of the transducer (Park et al., 2000; Park et al., 2006).”
Smart concretes and structures: A review (2015, background): “Since then, because optic fibers, piezoelectric materials, shape memory alloys (SMAs), and self-diagnosing polymer structural composites possess capabilities of sensing various physical and chemical parameters related to the health of the structures, these smart sensors or sensing materials are embe”