Please use this identifier to cite or link to this item: http://hdl.handle.net/1822/36694

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dc.contributor.authorGuimarães, Hugopor
dc.contributor.authorMatos, José C.por
dc.date.accessioned2015-09-01T11:01:42Z-
dc.date.available2015-09-01T11:01:42Z-
dc.date.issued2015-
dc.identifier.urihttp://hdl.handle.net/1822/36694-
dc.description.abstractThe basis of decision-making related to planning and scheduling of maintenance actions is the most challenging task in Bridge Management Systems (BMS) and is highly dependent on the quality of both performance and maintenance models. The current BMSs use Markov chains for modelling the deterioration of existing bridges over time. Although these stochastic processes are able to include the effects of maintenance actions on the performance indicators, the existing management systems are still very limited when addressing this issues. This paper presents a methodology to develop a maintenance model to be integrated in a BMS. The model aims to define a set of maintenance actions that lead to the implementation of an effective program in the extension of bridge’s lifetime. A probabilistic approach was used to assess the effectiveness of maintenance actions. The uncertain quantities were based on expert opinion and engineering judgment. To do so, a questionnaire, using a simple form of elicitation, was developed and distributed by the respondents: concessionaires, consultants, manufactures and suppliers. The obtained results as well as the difficulties encountered throughout this procedure are discussed.por
dc.language.isoengpor
dc.rightsrestrictedAccesspor
dc.subjectBridge management systemspor
dc.subjectBridge maintenance modelpor
dc.subjectExpert judgmentpor
dc.titleBridge maintenance models using expert opinionpor
dc.typeconferencePaper-
dc.peerreviewedyespor
sdum.publicationstatuspublishedpor
oaire.citationConferenceDate18 - 20 Maio 2015por
sdum.event.typeotherpor
oaire.citationConferencePlaceCopenhaga, Dinamarcapor
oaire.citationTitleFIB 2015 Symposiumpor
sdum.conferencePublicationFIB 2015 Symposiumpor
Appears in Collections:ISISE - Comunicações a Conferências Internacionais

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