Mechanoluminescent testing as an efficient inspection technique for the management of infrastructures

Akihito Yoshida, Linsheng Liu, Dong Tu, Shigenobu Kainuma, Chao Nan Xu

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

This paper reports on the mechanoluminescence inspection technology we have developed and its applications. The inspection technology is expected to identify deterioration and damage, such as fatigue cracks developed on steel members of steel structures, using particular mechanoluminescence (ML) phenomenon. In field testing at an urban highway bridge currently in service, fatigue cracks in steel box girders were successfully detected using the proposed technology. In addition, using a conventional crack detection method known as magnetic particle inspection (MT), similar results were obtained in terms of crack judgment, suggesting that the reliability of the ML method is equivalent to that of the MT method. An advantage of the ML inspection method is that it does not require removing corrosion protection coating, saving labor that is necessary in the MT method. The field testing also examined the possibility of evaluating precautionary measures (repair) as another application of the ML technique. As a result, the ML technique quantitatively evaluated that detected cracking had been properly repaired (removed). It is expected that the ML technique will contribute to effective maintenance and management of infrastructures from the perspective of preventive maintenance.

Original languageEnglish
Pages (from-to)506-514
Number of pages9
JournalJournal of Disaster Research
Volume12
Issue number3
DOIs
Publication statusPublished - Jun 2017

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Triboluminescence
Inspection
Testing
Crack detection
Highway bridges
Preventive maintenance
Steel
Beams and girders
Corrosion protection
Steel structures
Deterioration
Repair
Personnel
Cracks
Coatings

All Science Journal Classification (ASJC) codes

  • Safety, Risk, Reliability and Quality
  • Engineering (miscellaneous)

Cite this

Mechanoluminescent testing as an efficient inspection technique for the management of infrastructures. / Yoshida, Akihito; Liu, Linsheng; Tu, Dong; Kainuma, Shigenobu; Xu, Chao Nan.

In: Journal of Disaster Research, Vol. 12, No. 3, 06.2017, p. 506-514.

Research output: Contribution to journalArticle

Yoshida, Akihito ; Liu, Linsheng ; Tu, Dong ; Kainuma, Shigenobu ; Xu, Chao Nan. / Mechanoluminescent testing as an efficient inspection technique for the management of infrastructures. In: Journal of Disaster Research. 2017 ; Vol. 12, No. 3. pp. 506-514.
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