Monitoring strength gain of concrete using EMI sensing technique

Haeng-Ki Lee; Rudy Tawie

doi:10.1117/12.815588

1 April 2009 Monitoring strength gain of concrete using EMI sensing technique

Haeng-Ki Lee, Rudy Tawie

Proceedings Volume 7292, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2009; 729223 (2009) https://doi.org/10.1117/12.815588
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2009, San Diego, California, United States

Abstract

Various nondestructive monitoring techniques have been explored and developed for predicting strength gain of concrete. Important issues in the implementation of any nondestructive techniques are practicality and reliability of measurements. Recently, the applicability of electro-mechanical impedance (EMI) sensing technique utilizing piezoelectric materials has been extended to monitoring of concrete strength. This technique shows a strong correlation between resonant frequency shift of the measured EMI spectrum of a surface bonded piezo-impedance transducer and compressive strength of concrete. In the present study, the application of EMI sensing technique for monitoring strength development of concrete was performed using an impedance analyzer. The effect of mix proportion of concrete on the EMI spectrum was investigated.

Citation Download Citation

Haeng-Ki Lee and Rudy Tawie "Monitoring strength gain of concrete using EMI sensing technique", Proc. SPIE 7292, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2009, 729223 (1 April 2009); https://doi.org/10.1117/12.815588

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