Low-cost wireless nanotube composite sensor for damage detection of civil infrastructure

Mohamed Saafi, L Kaabi

Research output: Contribution to journalArticle

Abstract

This paper presents a new low-cost wireless nanotube composite sensor for structural damage detection. A cement matrix with networked carbon nanotubes was used to develop an in situ, wireless and embedded sensor for crack detection in concrete structures. By wirelessly measuring the change in the electrical resistance of the carbon nanotube networks, the progress of damage can be detected and monitored wirelessly. As a proof of concept, the wireless cement-carbon nanotube sensors were embedded into concrete beams and subjected to monotonic loading to evaluate the effect of damage on their response. Results indicated that the wireless response of the embedded nanotube sensors were able to detect the initiation of damage at an early stage of loading.
LanguageEnglish
Pages96-104
Number of pages9
JournalSensors and Transducers
Volume110
Issue number11
Publication statusPublished - Nov 2009

Fingerprint

Damage detection
Nanotubes
Carbon nanotubes
Sensors
Composite materials
Costs
Cements
Crack detection
Acoustic impedance
Concrete construction
Concretes

Keywords

  • civil infrastructure
  • nanotube sensor
  • wireless monitoring
  • damage detection

Cite this

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Low-cost wireless nanotube composite sensor for damage detection of civil infrastructure. / Saafi, Mohamed; Kaabi, L.

In: Sensors and Transducers, Vol. 110, No. 11, 11.2009, p. 96-104.

Research output: Contribution to journalArticle

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