A Markov model to determine optimal intervention strategies for multiple objects affected by uncorrelated manifest and latent processes

Nam Lethanh, Bryan T. Adey, Dilum N. Fernando

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

In many cases under regular inspection strategies, a sudden failure of the ability of infrastructure to provide an adequate level of service may occur due to processes, such as those associated with natural hazards, e.g. scouring during a flood, earth movements during an earthquake. In order to evaluate intervention strategies for infrastructure that is affected by such latent processes it is necessary to include the probability of having this inadequate level of service. This paper presents a Markov model that can be used to determine optimal intervention strategies for multiple objects affected by uncorrelated manifest and latent processes. The use of the model is demonstrated using a road link comprised of a road and a bridge.

Original languageEnglish
Title of host publicationAssessment, Upgrading and Refurbishment of Infrastructures
PublisherInternational Association for Bridge and Structural Engineering (IABSE)
ISBN (Electronic)9783857481239
DOIs
Publication statusPublished - 2013
EventIABSE Workshop on Assessment, Upgrading and Refurbishment of Infrastructures - Rotterdam, Netherlands
Duration: 6 May 20138 May 2013

Publication series

NameAssessment, Upgrading and Refurbishment of Infrastructures

Conference

ConferenceIABSE Workshop on Assessment, Upgrading and Refurbishment of Infrastructures
Country/TerritoryNetherlands
CityRotterdam
Period6/05/138/05/13

Keywords

  • Bridge management
  • Hazard risks
  • Latent deterioration process
  • Markov model
  • Optimization
  • Road management

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