Effects of vehicle speed in structural health monitoring from operational conditions of bridges

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dc.contributor.authorJaksic, Vesna
dc.contributor.authorO'Connor, Alan J.
dc.contributor.authorPakrashi, Vikram
dc.contributor.editorDeodatis, George
dc.contributor.editorEllingwood, Bruce R.
dc.contributor.editorFrangopol, Dan M.
dc.contributor.funderIrish Research Council for Science, Engineering and Technologyen
dc.date.accessioned2016-07-20T09:44:46Z
dc.date.available2016-07-20T09:44:46Z
dc.date.issued2013-06
dc.date.updated2015-10-09T13:26:28Z
dc.description.abstractThe effects of vehicle speed for Structural Health Monitoring (SHM) of bridges under operational conditions are studied in this paper. The moving vehicle is modelled as a single degree oscillator traversing a damaged beam at a constant speed. The bridge is modelled as simply supported Euler-Bernoulli beam with a breathing crack. The breathing crack is treated as a nonlinear system with bilinear stiffness characteristics related to the opening and closing of crack. The unevenness of the bridge deck is modelled using road classification according to ISO 8606:1995(E). The stochastic description of the unevenness of the road surface is used as an aid to monitor the health of the structure in its operational condition. Numerical simulations are conducted considering the effects of changing vehicle speed with regards to cumulant based statistical damage detection parameters. The detection and calibration of damage at different levels is based on an algorithm dependent on responses of the damaged beam due to passages of the load. Possibilities of damage detection and calibration under benchmarked and non-benchmarked cases are considered. Sensitivity of calibration values is studied. The findings of this paper are important for establishing the expectations from different vehicle speeds on a bridge for damage detection purposes using bridge-vehicle interaction where the bridge does not need to be closed for monitoring. The identification of bunching of these speed ranges provides guidelines for using the methodology developed in the paper.en
dc.description.statusPeer revieweden
dc.description.urihttp://www.columbia.edu/cu/civileng/iassar/icossar/conferences.htmlen
dc.description.versionAccepted Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationJaksic V., O'Connor, A. and Pakrashi V. (2013) 'Effects of vehicle speed in structural health monitoring from operational conditions of bridges', in Deodatis, G., Ellingwood, B.R. and Frangopol, D.M. (eds.) Safety, reliability, risk and life-cycle performance of structures and infrastructures: proceedings of the 11th international conference on structural safety and reliability, New York, USA, 16-20 June, 2013. London: CRC Press, pp. 4539-4546.en
dc.identifier.endpage4546en
dc.identifier.isbn9781138000865
dc.identifier.startpage4539en
dc.identifier.urihttps://hdl.handle.net/10468/2902
dc.language.isoenen
dc.publisherCRC Press, Taylor & Francis Groupen
dc.relation.ispartof11th International Conference on Structural Safety and Reliability, Colombia University, New York, 16-20 June, 2013
dc.relation.urihttps://www.crcpress.com/Safety-Reliability-Risk-and-Life-Cycle-Performance-of-Structures-and/Deodatis-Ellingwood-Frangopol/p/book/9781138000865
dc.rights© 2013, Taylor & Francis Group, London.en
dc.subjectStructural health monitoringen
dc.subjectVehicle speeden
dc.subjectSingle degree oscillatoren
dc.subjectEuler-Bernoullien
dc.subjectDamage detectionen
dc.subjectBridge-vehicle interactionen
dc.titleEffects of vehicle speed in structural health monitoring from operational conditions of bridgesen
dc.typeConference itemen
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