Monitoring and assessment of a cross-passage twin tunnel long-term performance using wireless sensor network

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dc.contributor.authorWang, Chaoen
dc.contributor.authorFriedman, Milesen
dc.contributor.authorLi, Zilien
dc.contributor.funderScience Foundation Irelanden
dc.contributor.funderTransport Infrastructure Irelanden
dc.contributor.funderNational Natural Science Foundation of Chinaen
dc.date.accessioned2024-05-08T15:53:30Z
dc.date.available2024-05-08T15:53:30Z
dc.date.issued2023-06-22en
dc.description.abstractThe monitoring and assessment of ageing underground tunnels is critical to ensure their serviceability, stability, and safety as arteries for a transport network in the long term. This paper first comprehensively reviewed the long-term tunnel performance monitoring case studies, aimed at highlighting the limited field monitoring data and identifying research gaps. It was found that previous studies largely focused on the performance of single tunnel sections subject to short-term disturbances (e.g., adjacent excavation), whereas limited efforts concentrated on the long-term performance of twin tunnels, let alone those with cross passages, under the influence of deteriorations. To this end, a Wireless Sensor Network (WSN) was deployed at a critical vehicle cross passage (VCP) twin tunnel section of Dublin Port Tunnel to monitor its long-term ageing performance with time, in addition to the existing long-term water leakage and lining crack monitoring. The evolvement of lining crack and water leakage since 2010 indicated the progressive deteriorations of the monitoring section, and the deployed WSN monitoring of lining inclination demonstrated a robust sensor deployment layout and monitoring plan for (quasi) real-time monitoring for a confined underground cross passage twin tunnel network. An analytical solution was proposed to convert tunnel inclination to horizontal deformation, with the converted measurements suggesting that even more than one decade after construction, both twin tunnels are still moving horizontally towards the VCP centreline in the long term, primarily due to twin tunnel interaction. Along tunnel longitudinal direction, the closer to the VCP, the greater tunnel deformation rate is, revealing the effect of cross passage on tunnel differential longitudinal behaviour, in agreement with hypotheses and numerical results in previous studies. The field observations were believed to be attributed to the two mechanisms which are hydro-geological degradation of the surrounding ground and hydro-mechanical deterioration of the tunnel, where the correlation between tunnel deformation and deteriorations was detailed.en
dc.description.sponsorshipNational Natural Science Foundation of China (No. 51978530)en
dc.description.statusPeer revieweden
dc.format.mimetypeapplication/pdfen
dc.identifier.citationWang, C., Friedman, M. and Li, Z. (2023) ‘Monitoring and assessment of a cross-passage twin tunnel long-term performance using wireless sensor network’, Canadian Geotechnical Journal, 60(8), pp. 1140–1160. Available at: https://doi.org/10.1139/cgj-2022-0224en
dc.identifier.doihttps://doi.org/10.1139/cgj-2022-0224en
dc.identifier.endpage1160en
dc.identifier.issn0008-3674en
dc.identifier.issn1208-6010en
dc.identifier.issued8en
dc.identifier.journaltitleCanadian Geotechnical Journalen
dc.identifier.startpage1140en
dc.identifier.urihttps://hdl.handle.net/10468/15849
dc.identifier.volume60en
dc.language.isoenen
dc.publisherCanadian Science Publishingen
dc.relation.ispartofCanadian Geotechnical Journalen
dc.relation.projectinfo:eu-repo/grantAgreement/SFI/SFI Research Centres/13/RC/2092/IE/Irish Centre for Research in Applied Geosciences (iCRAG)/en
dc.rights© 2023 The Author(s).en
dc.subjectWireless sensor networken
dc.subjectTunnel deteriorationen
dc.subjectCross passageen
dc.subjectTwin-tunnel interactionen
dc.subjectLong-term ageing performanceen
dc.titleMonitoring and assessment of a cross-passage twin tunnel long-term performance using wireless sensor networken
dc.typeArticle (peer-reviewed)en
oaire.citation.issue8en
oaire.citation.volume60en
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