Comparison of bridge mamagememt strategies using life-cycle cost analysis

M. I. Rafiq, M. Chryssanthopoulos, T. Onoufriou

Research output: Chapter in Book/Conference proceeding with ISSN or ISBNConference contribution with ISSN or ISBN

Abstract

A comparison of safety characteristics and life-cycle costs for different bridge management strategies is presented in this paper. These strategies are based on regular inspections; on predictive models updated through regular inspections; and on predictive models updated through the use of permanent health monitoring systems. The results for these management strategies for various inspections and health monitoring outputs are presented and discussed. It is concluded that the life cycle costs of concrete structures are strongly influenced by the timings of repairs, and can be reduced considerably by delaying the repairs due to an increase in confidence of predicted performance through inspections and health monitoring data. Furthermore, it is shown that the decisions supported by permanent monitoring systems can result in significant savings whilst maintaining a target safety level of the structures.

Original languageEnglish
Title of host publicationBridge Management 5
Subtitle of host publicationInspection, Maintenance, Assessment and Repair - Proceedings of the 5th International Conference on Bridge Management
EditorsG.A.R. Park, P. Disney
Pages578-586
Number of pages9
Publication statusPublished - 1 Dec 2005
Event5th International Conference on Bridge Management - Guildford, United Kingdom
Duration: 11 Apr 200513 Apr 2005

Publication series

NameProceedings of the 5th International Conference on Bridge Management

Conference

Conference5th International Conference on Bridge Management
CountryUnited Kingdom
CityGuildford
Period11/04/0513/04/05

Fingerprint

Life cycle
Inspection
Monitoring
Health
Costs
Repair
Concrete construction

Keywords

  • Concrete Bridges
  • Life-Cycle Analysis
  • Management Strategies

Cite this

Rafiq, M. I., Chryssanthopoulos, M., & Onoufriou, T. (2005). Comparison of bridge mamagememt strategies using life-cycle cost analysis. In G. A. R. Park, & P. Disney (Eds.), Bridge Management 5: Inspection, Maintenance, Assessment and Repair - Proceedings of the 5th International Conference on Bridge Management (pp. 578-586). (Proceedings of the 5th International Conference on Bridge Management).
Rafiq, M. I. ; Chryssanthopoulos, M. ; Onoufriou, T. / Comparison of bridge mamagememt strategies using life-cycle cost analysis. Bridge Management 5: Inspection, Maintenance, Assessment and Repair - Proceedings of the 5th International Conference on Bridge Management. editor / G.A.R. Park ; P. Disney. 2005. pp. 578-586 (Proceedings of the 5th International Conference on Bridge Management).
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Rafiq, MI, Chryssanthopoulos, M & Onoufriou, T 2005, Comparison of bridge mamagememt strategies using life-cycle cost analysis. in GAR Park & P Disney (eds), Bridge Management 5: Inspection, Maintenance, Assessment and Repair - Proceedings of the 5th International Conference on Bridge Management. Proceedings of the 5th International Conference on Bridge Management, pp. 578-586, 5th International Conference on Bridge Management, Guildford, United Kingdom, 11/04/05.

Comparison of bridge mamagememt strategies using life-cycle cost analysis. / Rafiq, M. I.; Chryssanthopoulos, M.; Onoufriou, T.

Bridge Management 5: Inspection, Maintenance, Assessment and Repair - Proceedings of the 5th International Conference on Bridge Management. ed. / G.A.R. Park; P. Disney. 2005. p. 578-586 (Proceedings of the 5th International Conference on Bridge Management).

Research output: Chapter in Book/Conference proceeding with ISSN or ISBNConference contribution with ISSN or ISBN

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N2 - A comparison of safety characteristics and life-cycle costs for different bridge management strategies is presented in this paper. These strategies are based on regular inspections; on predictive models updated through regular inspections; and on predictive models updated through the use of permanent health monitoring systems. The results for these management strategies for various inspections and health monitoring outputs are presented and discussed. It is concluded that the life cycle costs of concrete structures are strongly influenced by the timings of repairs, and can be reduced considerably by delaying the repairs due to an increase in confidence of predicted performance through inspections and health monitoring data. Furthermore, it is shown that the decisions supported by permanent monitoring systems can result in significant savings whilst maintaining a target safety level of the structures.

AB - A comparison of safety characteristics and life-cycle costs for different bridge management strategies is presented in this paper. These strategies are based on regular inspections; on predictive models updated through regular inspections; and on predictive models updated through the use of permanent health monitoring systems. The results for these management strategies for various inspections and health monitoring outputs are presented and discussed. It is concluded that the life cycle costs of concrete structures are strongly influenced by the timings of repairs, and can be reduced considerably by delaying the repairs due to an increase in confidence of predicted performance through inspections and health monitoring data. Furthermore, it is shown that the decisions supported by permanent monitoring systems can result in significant savings whilst maintaining a target safety level of the structures.

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KW - Life-Cycle Analysis

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Rafiq MI, Chryssanthopoulos M, Onoufriou T. Comparison of bridge mamagememt strategies using life-cycle cost analysis. In Park GAR, Disney P, editors, Bridge Management 5: Inspection, Maintenance, Assessment and Repair - Proceedings of the 5th International Conference on Bridge Management. 2005. p. 578-586. (Proceedings of the 5th International Conference on Bridge Management).