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Title: Reliability, risk and lifetime distributions as performance indicators for life-cycle maintenance of deteriorating structures
Authors: Barone, Giorgio
Frangopol, Dan M.
Keywords: Reliability
Risk
Lifetime distribution
Life-cycle maintenance
Deteriorating structures
Issue Date: 2014
Publisher: © Elsevier
Citation: BARONE, G. and FRANGOPOL, D.M., 2014. Reliability, risk and lifetime distributions as performance indicators for life-cycle maintenance of deteriorating structures. Reliability Engineering & System Safety, 123, pp.21-37.
Abstract: Structural capacity deterioration is among the main causes of increasing failure probabilities of structural systems, thus maintenance interventions are a crucial task for their rational management. Several probabilistic approaches have been proposed during the last decades for the determination of cost-effective maintenance strategies based on selected performance indicators. However, benefits and drawbacks of each performance indicator with respect to the others should be further analyzed. The objective of this paper is to investigate probabilistic approaches based on the annual reliability index, annual risk, and lifetime distributions for life-cycle maintenance of structural systems. Maintenance schedules are obtained for representative series, parallel, and series-parallel systems considering total restoration of component resistances whenever a prescribed threshold, based on a selected performance indicator, is reached. Effects related to different structural configurations and correlation among failure modes are investigated. The superstructure of an existing bridge is used to illustrate the presented approaches.
Description: This is the author’s version of a work that was accepted for publication in Reliability Engineering & System Safety. A definitive version was subsequently published at: http://dx.doi.org/10.1016/j.ress.2013.09.013
Version: Accepted for publication
DOI: 10.1016/j.ress.2013.09.013
URI: https://dspace.lboro.ac.uk/2134/16761
Publisher Link: http://dx.doi.org/10.1016/j.ress.2013.09.013
ISSN: 0951-8320
Appears in Collections:Published Articles (Civil and Building Engineering)

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