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dc.contributor.authorAcikgoz, S
dc.contributor.authorSoga, K
dc.contributor.authorWoodhams, J
dc.date.accessioned2017-08-06T14:13:46Z
dc.date.available2017-08-06T14:13:46Z
dc.date.issued2017-09
dc.identifier.issn0950-0618
dc.identifier.urihttps://www.repository.cam.ac.uk/handle/1810/265939
dc.description.abstractDifferential settlements have adverse effects on the serviceability and stability of vaulted masonry structures. However, the existing monitoring and assessment techniques do not capture these effects in sufficient detail. In this paper, a new approach is proposed to better describe the influence of support movements on barrel vaults. In this approach, laser scan point clouds of a settling vaulted structure are compared. Different cloud comparison methods are used to accurately identify the displacements of small point cloud segments. In particular, a new cloud comparison method, which modifies the well-known iterative closest point (ICP) registration algorithm, is developed. By constraining ICP to ensure displacement continuity between adjoining point cloud segments, three dimensional movement estimates of the structure are obtained. These estimates delineate the settlement response by indicating the location and magnitude of cracking. This rich information is then used to identify the settlement response mechanism of the vault using limit state numerical analysis. Finally, by interpreting the numerical results with relevant serviceability criteria, a new method to quantify the influence of settlements on barrel vaulted masonry structures is proposed. This damage assessment technique is used to evaluate observed damage due to piling-induced settlements in a masonry viaduct at London Bridge Station.
dc.description.sponsorshipThe work carried out was funded by EPSRC and Innovate UK, through the Cambridge Centre for Smart Infrastructure and Construction (Grant Reference Number EP/L010917/1).
dc.language.isoen
dc.publisherElsevier
dc.rightsAttribution 4.0 International
dc.rightsAttribution 4.0 International
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectmasonry vault
dc.subjectmasonry arch bridge
dc.subjectdamage assessment
dc.subjectlaser scanning
dc.subjectpoint cloud processing
dc.subjectcloud comparison
dc.subjectlimit analysis
dc.subjectsettlement
dc.titleEvaluation of the response of a vaulted masonry structure to differential settlements using point cloud data and limit analyses
dc.typeArticle
prism.endingPage931
prism.publicationDate2017
prism.publicationNameConstruction and Building Materials
prism.startingPage916
prism.volume150
dc.identifier.doi10.17863/CAM.12355
dcterms.dateAccepted2017-05-06
rioxxterms.versionofrecord10.1016/j.conbuildmat.2017.05.075
rioxxterms.versionVoR
rioxxterms.licenseref.urihttp://creativecommons.org/licenses/by/4.0/
rioxxterms.licenseref.startdate2017-09
rioxxterms.typeJournal Article/Review
pubs.funder-project-idEngineering and Physical Sciences Research Council (EP/L010917/1)
pubs.funder-project-idEngineering and Physical Sciences Research Council (EP/N021614/1)
pubs.funder-project-idEngineering and Physical Sciences Research Council (EP/K000314/1)
pubs.funder-project-idEngineering and Physical Sciences Research Council (EP/I019308/1)
cam.issuedOnline2017-06-27
datacite.issupplementedby.doi10.17863/CAM.10421


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Attribution 4.0 International
Except where otherwise noted, this item's licence is described as Attribution 4.0 International