A prototype of an electromagnetic induction sensor for non-destructive estimation of the presence of corrosive chemicals ensuing concrete corrosion

Kabir A. Mamun, Ravin N. Deo, F. R. Islam, Hemanshu R. Pota, Aneesh A. Chand, Kushal A. Prasad, Aisake Cakacaka

Research output: Contribution to journalArticleResearchpeer-review

Abstract

The corrosion of steel reinforcement in concrete often leads to huge unbudgeted expenses for maintaining, monitoring and renovating an infrastructure. This is mainly due to the presence of salts or chemical chlorides that pose a danger to the concrete structures. The determination of the existence of these corrosive salts is vital for defining the service life of concrete. This research looked at developing an electromagnetic induction (EMI) sensor for the detection of corrosive salts. The first design adopted a single-loop coil (SLC) concept, and the second was based on a multiple-loop coil (MLC) one using copper wire. Tests were conducted on these two techniques, and with the results obtained, the latter seemed more promising; thus, a prototype sensor was developed using the MLC concept. As this new prototype sensor was able to detect the manifestation of chemical contents in a concrete structure, it could be used as a non-destructive evaluation (NDE) technique for the detection of corrosive chemicals in concrete and has the further possibility of detecting corrosion in concrete.

Original languageEnglish
Article number1959
Number of pages12
JournalSensors
Volume19
Issue number9
DOIs
Publication statusPublished - 1 May 2019

Keywords

  • Concrete corrosion
  • EMI sensor
  • Multiple-loop coil (MLC)
  • Non-destructive evaluation
  • Single-loop coil (SLC)

Cite this

Mamun, Kabir A. ; Deo, Ravin N. ; Islam, F. R. ; Pota, Hemanshu R. ; Chand, Aneesh A. ; Prasad, Kushal A. ; Cakacaka, Aisake. / A prototype of an electromagnetic induction sensor for non-destructive estimation of the presence of corrosive chemicals ensuing concrete corrosion. In: Sensors. 2019 ; Vol. 19, No. 9.
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A prototype of an electromagnetic induction sensor for non-destructive estimation of the presence of corrosive chemicals ensuing concrete corrosion. / Mamun, Kabir A.; Deo, Ravin N.; Islam, F. R.; Pota, Hemanshu R.; Chand, Aneesh A.; Prasad, Kushal A.; Cakacaka, Aisake.

In: Sensors, Vol. 19, No. 9, 1959, 01.05.2019.

Research output: Contribution to journalArticleResearchpeer-review

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