Monitoring wood decay in poles by the vibroacoustic method

I.A. Craighead, S. Thackery, M. Redstall, M.R. Thomas

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Despite recent advances in the development of new materials, wood continues to be used globally for the support of overhead cable networks used by telecommunications and electrical utility companies. As a natural material, wood is subject to decay and will eventually fail, causing disruption to services and danger to public and company personnel. The traditional method of testing poles for decay involves hitting them with a hammer and listening to the sound that results. However, evidence suggests that a large number of poles are replaced unnecessarily and a significant number of poles continue to fail unexpectedly in service. Therefore, a more accurate method for assessing the structural integrity of wooden poles is required. The underlying physical principles behind the 'pole tester's approach' have been identified and used in the development of a decay meter to enable objective monitoring of decay in wooden poles.
LanguageEnglish
Pages905-917
Number of pages12
JournalProceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science
Volume215
Issue number8
Publication statusPublished - 21 Aug 2001

Fingerprint

Decay (organic)
Poles
Monitoring
Wood
Hammers
Structural integrity
Telecommunication
Industry
Cables
Acoustic waves
Personnel
Testing

Keywords

  • wood decay
  • wooden poles
  • impact response
  • acoustic response
  • condition monitoring

Cite this

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abstract = "Despite recent advances in the development of new materials, wood continues to be used globally for the support of overhead cable networks used by telecommunications and electrical utility companies. As a natural material, wood is subject to decay and will eventually fail, causing disruption to services and danger to public and company personnel. The traditional method of testing poles for decay involves hitting them with a hammer and listening to the sound that results. However, evidence suggests that a large number of poles are replaced unnecessarily and a significant number of poles continue to fail unexpectedly in service. Therefore, a more accurate method for assessing the structural integrity of wooden poles is required. The underlying physical principles behind the 'pole tester's approach' have been identified and used in the development of a decay meter to enable objective monitoring of decay in wooden poles.",
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Monitoring wood decay in poles by the vibroacoustic method. / Craighead, I.A.; Thackery, S.; Redstall, M.; Thomas, M.R.

In: Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science , Vol. 215, No. 8, 21.08.2001, p. 905-917.

Research output: Contribution to journalArticle

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AU - Craighead, I.A.

AU - Thackery, S.

AU - Redstall, M.

AU - Thomas, M.R.

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AB - Despite recent advances in the development of new materials, wood continues to be used globally for the support of overhead cable networks used by telecommunications and electrical utility companies. As a natural material, wood is subject to decay and will eventually fail, causing disruption to services and danger to public and company personnel. The traditional method of testing poles for decay involves hitting them with a hammer and listening to the sound that results. However, evidence suggests that a large number of poles are replaced unnecessarily and a significant number of poles continue to fail unexpectedly in service. Therefore, a more accurate method for assessing the structural integrity of wooden poles is required. The underlying physical principles behind the 'pole tester's approach' have been identified and used in the development of a decay meter to enable objective monitoring of decay in wooden poles.

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KW - acoustic response

KW - condition monitoring

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