Distributed fibre optic strain sensing of CERN infrastructures in the molasse region

Show simple item record

dc.contributor.author Di Murro, V.
dc.contributor.author Soga, K.
dc.contributor.author Fern, E. J.
dc.contributor.author Pelecanos, L.
dc.contributor.author Li, Zili
dc.contributor.author Scibile, L.
dc.date.accessioned 2021-08-19T15:13:49Z
dc.date.available 2021-08-19T15:13:49Z
dc.date.issued 2019
dc.identifier.citation Di Murro, V., Soga , K., Fern, E. J., Pelecanos, L., Li, Z. and Scibile, L. (2019) 'Distributed fibre optic strain sensing of CERN infrastructures in the molasse region', Proceedings of the XVII European Conference on Soil Mechanics and Geotechnical Engineering, Reykjavík, Iceland, 1-6 September, pp. 1-7. doi: 10.32075/17ECSMGE-2019-0061 en
dc.identifier.startpage 1 en
dc.identifier.endpage 7 en
dc.identifier.isbn 978-9935-9436-1-3
dc.identifier.uri http://hdl.handle.net/10468/11758
dc.identifier.doi 10.32075/17ECSMGE-2019-0061 en
dc.description.abstract The European Centre for Nuclear Research (CERN) is a large underground laboratory and it is home to two large particle accelerators, including the «Large Hadron Collider» (LHC). The particles travel at the speed of light through a series of tunnels which must comply with the high serviceability requirements. However, the underground facilities have expanded over a period of 40 years with new tunnels, shafts and caverns. Structural ageing and deterioration of the infrastructure can alter the drainage conditions around tunnels and this can cause, in turn, excess deformation of the tunnels and serviceability issue for the particle accelerators. A remote monitoring system based on distributed fibre-optic strain sensing technology has been implemented in some of the concrete-lined tunnels in order to gain insight in the long-term mechanical behaviour of the underground system. This paper presents the results of the monitoring programme and the results show a slow development of ovalisation of the tunnel over a period of three years. en
dc.description.abstract Le Centre Européen pour la Recherche Nucléaire (CERN) est un grand laboratoire souterrain qui héberge deux accélérateurs de particules dont le « Large Hadron Collider » (LHC). Les particules se déplacent à la vitesse de la lumière à travers un réseau de tunnels qui doivent répondre à des exigences élevées de service. L’infrastructure souterraine du CERN s’est étendue sur une période de 40 ans avec la construction de nouveaux tunnels, puits et cavernes. Le vieillissement des matériaux et la détérioration structurelles des ouvrages peuvent altérer les conditions de drainage autour des tunnels ce qui peut engendrer, à son tour, des déformations excessives et atteindre la limite de service des accélérateurs de particules. Un système de monitoring à distance avec des câbles en fibre optique a été mis en place dans certains tunnels afin d’étudier le comportement à long terme. Cet article présente les résultats de la compagne de monitoring et démontre une ovalisation des tunnels sur une période de trois ans. fr
dc.format.mimetype application/pdf en
dc.language.iso en en
dc.publisher Icelandic Geotechnical Society (IGS) en
dc.relation.uri https://www.ecsmge-2019.com/
dc.rights © 2019, the Authors and the Icelandic Geotechnical Society, IGS: All rights reserved. en
dc.subject Long-term tunnel deformation en
dc.subject Long-term monitoring en
dc.subject Distributed fiber-optic sensing en
dc.subject Red molasse en
dc.title Distributed fibre optic strain sensing of CERN infrastructures in the molasse region en
dc.title Distribué fibre optique des infrastructures du CERN dans la région des molasse fr
dc.type Conference item en
dc.internal.availability Full text available en
dc.description.version Published Version en
dc.contributor.funder CERN en
dc.contributor.funder Engineering and Physical Sciences Research Council en
dc.contributor.funder Innovate UK en
dc.description.status Peer reviewed en
dc.internal.conferencelocation Reykjavík, Iceland en
dc.internal.IRISemailaddress Zili Li, Civil Engineering, University College Cork, Cork, Ireland. T: +353-21- 490-3000 E: zili.li@ucc.ie en


Files in this item

This item appears in the following Collection(s)

Show simple item record

This website uses cookies. By using this website, you consent to the use of cookies in accordance with the UCC Privacy and Cookies Statement. For more information about cookies and how you can disable them, visit our Privacy and Cookies statement