Long-term deformation monitoring of CERN concrete-lined tunnels using distributed fibre-optic sensing

Vanessa Di Murro, Loizos Pelecanos, Kenichi Soga, Cedric Kechavarzi, Richard F. Morton, Luigi Scibile

Research output: Contribution to journalArticle

Abstract

The Centre for European Nuclear Research (CERN) uses large and complex scientific instruments to study the basic constituents of matter by operating a network of underground particle accelerators and appurtenant tunnels. Long-term safety and structural health of this critical infrastructure highlighted the need for a sensing plan that could provide remote monitoring and resistance to high radiation. A pilot Distributed Fibre-Optic Sensing (DFOS) system using Brillouin scattering was used to instrument 8 tunnel sections and obtain a first set of short-term readings. These preliminary readings show minor tunnel ovalisation and will be used as baseline for future long-term readings.
LanguageEnglish
Pages1-7
Number of pages7
JournalGeotechnical Engineering Journal of the SEAGS & AGSSEA
Volume50
Issue number2
StatusPublished - 31 Mar 2019

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Fiber optics
Tunnels
Concretes
Monitoring
Brillouin scattering
Critical infrastructures
Particle accelerators
Health
Radiation

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Long-term deformation monitoring of CERN concrete-lined tunnels using distributed fibre-optic sensing. / Di Murro, Vanessa; Pelecanos, Loizos; Soga, Kenichi; Kechavarzi, Cedric; Morton, Richard F.; Scibile, Luigi.

In: Geotechnical Engineering Journal of the SEAGS & AGSSEA , Vol. 50, No. 2, 31.03.2019, p. 1-7.

Research output: Contribution to journalArticle

Di Murro, Vanessa ; Pelecanos, Loizos ; Soga, Kenichi ; Kechavarzi, Cedric ; Morton, Richard F. ; Scibile, Luigi. / Long-term deformation monitoring of CERN concrete-lined tunnels using distributed fibre-optic sensing. In: Geotechnical Engineering Journal of the SEAGS & AGSSEA . 2019 ; Vol. 50, No. 2. pp. 1-7.
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