Experimental Study on Reliability of Wireless Sensors for Monitoring Corrosion of Reinforcing Bars

Zhen Chen; Jin Wu; Zhe Wang

doi:10.4028/www.scientific.net/AMM.614.327

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 614Experimental Study on Reliability of Wireless...

Experimental Study on Reliability of Wireless Sensors for Monitoring Corrosion of Reinforcing Bars

Abstract:

It is urgent to study the reliability of wireless sensors for monitoring corrosion in concrete under different environmental stress. Therefore, after the analysis of failure mechanism for wireless sensors, four reliability tests, i.e. salt solution erosion test, impact test, high temperature and humid test and low temperature test, had been conducted. Signals of the sensors were analyzed through the interval estimation. It is shown that the signals of the sensors present high stability and the reliability of sensors reaches 95% in the respective confidence interval within the temperature range of-30°C~50°C. While the signals increase rapidly at the beginning, and then slowly increase to a flat level in the end within 50°C~90°C. Data from the impact test and salt solution erosion test also indicate that the sensors also present high stability and reliability.

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Periodical:

Applied Mechanics and Materials (Volume 614)

Pages:

327-330

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.614.327

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Online since:

September 2014

Authors:

Zhen Chen*, Jin Wu, Zhe Wang

Keywords:

Corrosion of Reinforcing Bars, Impact, Reliability, Salt Solution Erosion, Temperature, Wireless Sensors

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