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Miniature Resistance Measurement Device for Structural Health Monitoring of Reinforced Concrete Infrastructure

Corva, Dean M., Hosseini, Seyyed Sobhan, Collins, Frank, Adams, Scott D., Gates, Will P. and Kouzani, Abbas Z. 2020, Miniature Resistance Measurement Device for Structural Health Monitoring of Reinforced Concrete Infrastructure, Sensors, vol. 20, no. 15, pp. 1-18, doi: 10.3390/s20154313.

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Title Miniature Resistance Measurement Device for Structural Health Monitoring of Reinforced Concrete Infrastructure
Author(s) Corva, Dean M.
Hosseini, Seyyed Sobhan
Collins, FrankORCID iD for Collins, Frank orcid.org/0000-0001-6331-5390
Adams, Scott D.ORCID iD for Adams, Scott D. orcid.org/0000-0001-6466-0444
Gates, Will P.ORCID iD for Gates, Will P. orcid.org/0000-0001-7388-0289
Kouzani, Abbas Z.ORCID iD for Kouzani, Abbas Z. orcid.org/0000-0002-6292-1214
Journal name Sensors
Volume number 20
Issue number 15
Start page 1
End page 18
Total pages 18
Publisher MDPI
Place of publication Basel, Switzerland
Publication date 2020
ISSN 1424-8220
Keyword(s) self-sensing
concrete
sensor
circuit
miniature
measurement
impedance
resistance
Summary A vast amount of civil infrastructure is constructed using reinforced concrete, which can be susceptible to corrosion, posing significant risks. Corrosion of reinforced concrete has various causes, with chloride ingress known to be a major contributor. Monitoring this chloride ingress would allow for preventative maintenance to be less intrusive at a lower cost. Currently, chloride sensing methods are bulky and expensive, leaving the majority of concrete infrastructures unmonitored. This paper presents the design and fabrication of a miniature, low-cost device that can be embedded into concrete at various locations and depths. The device measures localized concrete resistance, correlating to the chloride ingress in the concrete using equations listed in this paper, and calculated results from two experiments are presented. The device benefits from a four-probe architecture, injecting a fixed frequency AC waveform across its outer electrodes within the cement block. Voltage across the internal electrodes is measured with a microcontroller and converted to a resistance value, communicated serially to an external computer. A final test showcases the ability of the device for three-dimensional mass deployment.
Language eng
DOI 10.3390/s20154313
Indigenous content off
Field of Research 0502 Environmental Science and Management
0602 Ecology
0301 Analytical Chemistry
0805 Distributed Computing
0906 Electrical and Electronic Engineering
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2020, the authors
Free to Read? Yes
Use Rights Creative Commons Attribution licence
Persistent URL http://hdl.handle.net/10536/DRO/DU:30140704

Document type: Journal Article
Collections: Institute for Frontier Materials
Open Access Collection
GTP Research
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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.