A Decision-Support Methodology for Asset Management

Lalonde, E; Bergeron, Claude

doi:10.1061/40690(2003)4

Cited by 4 publications

(2 citation statements)

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“…A system should be regarded as a set of interdependent and interacting components that form a network fulfilling some safety objective. Lalonde, et al (2003) used the system reliability approach in their effort to develop a decision support methodology for asset management applied to pipelines. Moreover, (Liu et al 2005) developed a bridge-network reliability model using the same approach.…”

Section: Network Performance Modelsmentioning

confidence: 99%

Risk-Based Asset Management Framework for Subway Systems

Abouhamad

Zayed

2019

J. Constr. Eng. Manage.

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Subway systems play a vital role connecting thousands of people to different destinations on a daily basis. The Canadian infrastructure report card recommended encouraging infrastructure owners to establish asset-management plans based on rates of deterioration and community service levels. Moreover, the 2013 report card for America's infrastructure assigned a grade D to transit systems indicating they are in a poor condition with strong risk of failure. A possible solution proposed by the 2013 report card is adopting a comprehensive asset management system to maximize investments in light of the fund scarcity dilemma. The main objective of this research is to develop a risk-based asset management framework for subway networks. The framework works along three interrelated sub-models followed by two main models. A generic subway hierarchy is proposed and risk is assessed using three sub-models; probability of failure, consequences of failure and criticality index. Probability of failure is predicted for different structural elements using inspection reports and Weibull reliability function. Consequences of failure are assessed based on seven criteria along financial, social, and, operational perspectives. A criticality index is introduced to the classical risk equation to assess the functional importance of a station in its location using seven attributes along three main criteria. The Fuzzy Analytical Network Process is employed to analyze experts' feedback used in the consequences of failure and criticality sub-models. This insures incorporating interdependency between criteria and fuzziness of the analysis.

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Section: Network Performance Modelsmentioning

confidence: 99%

Risk-Based Asset Management Framework for Subway Systems

Abouhamad

Zayed

2019

J. Constr. Eng. Manage.

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“…For example, Halfawy et al. (, ), Lalonde and Bergeron (), Shahata and Zayed (), and Carey and Lueke () emphasized the need for integrated decision‐making approaches capable of accounting for the interdependencies between interacting infrastructure systems. A full and reliable characterization of infrastructure interdependencies is vital if society is to realize Adeli and Jiang's () vision of “intelligent infrastructure.” This has led to earnest attempts by researchers to develop methodologies that account for these interdependencies (Haimes and Jiang, ; Nagurney and Dong, ; Dueñas‐Osorio et al., ; Nozick et al., ; Pederson et al., ; Utne et al., ; Kielhauser et al., , , ; Kielhauser et al., ).…”

Section: Introductionmentioning

confidence: 99%

A Methodology to Account for One‐Way Infrastructure Interdependency in Preservation Activity Scheduling

Alinizzi

Chen

Labi

et al. 2018

Computer aided Civil Eng

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This article develops an optimization framework for scheduling a programmable preservation activity for an infrastructure (primary) system that accounts for a specific context of interdependency between its maintenance phase and the operations phase of a neighboring (secondary) system. The framework identifies the optimal deterioration threshold of the primary system for the preservation activity, subject to a disruption in the operations of the neighboring system. The methodology also includes trade-off analysis using a biobjective genetic algorithm approach to accommodate the conflicting objectives associated with the costs and benefits of the programmed preservation activity. The framework provides decision makers with optimal/near optimal Pareto frontiers of the primary system's preservation activity candidate thresholds based on the costs and benefits associated with each candidate. The article demonstrates the developed framework using a case study involving colocated pavement and underground utility systems. The results of the case study show that it is feasible to use the developed framework to identify the optimal preservation activity timing for an infrastructure system whose level of service is subject to disruptions from a neighboring system. Overall, the results demonstrate that a disruptive event caused by a secondary system could influence the Pareto optimal solutions (activity thresholds) associated with the timing of a primary system's preservation activity.

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A Novel Service Life Prediction for Reinforced Concrete Infrastructure Systems

Semaan

2023

RILEM Bookseries

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A Decision-Support Methodology for Asset Management

Cited by 4 publications

References 0 publications

Risk-Based Asset Management Framework for Subway Systems

Risk-Based Asset Management Framework for Subway Systems

A Methodology to Account for One‐Way Infrastructure Interdependency in Preservation Activity Scheduling

A Novel Service Life Prediction for Reinforced Concrete Infrastructure Systems

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