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A Comparison of Probabilistic Models of Deterioration for Life Cycle Management of Structures

Pandey, M. D. / Yuan, X. -X.

Abstract The probabilistic modelling of deterioration in the time-dependent reliability analysis is a necessary step for developing a risk-based approach to the life cycle management of infrastructure systems. The decisions regarding the time and frequency of inspection, maintenance and replacement are confounded by sampling and temporal uncertainties associated with the deterioration of structural resistance. To account for these uncertainties, probabilistic models of deterioration have been developed under two broad categories, namely the random variable model and stochastic process model. The paper presents a conceptual exposition of these two models and highlights their profound implications to the age-based and condition-based preventive maintenances policies. The proposed stochastic gamma process model of deterioration is more versatile than the random rate model commonly used in the structural reliability literature.

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A Comparison of Probabilistic Models of Deterioration for Life Cycle Management of Structures

Pandey, M. D. / Yuan, X. -X.

Abstract The probabilistic modelling of deterioration in the time-dependent reliability analysis is a necessary step for developing a risk-based approach to the life cycle management of infrastructure systems. The decisions regarding the time and frequency of inspection, maintenance and replacement are confounded by sampling and temporal uncertainties associated with the deterioration of structural resistance. To account for these uncertainties, probabilistic models of deterioration have been developed under two broad categories, namely the random variable model and stochastic process model. The paper presents a conceptual exposition of these two models and highlights their profound implications to the age-based and condition-based preventive maintenances policies. The proposed stochastic gamma process model of deterioration is more versatile than the random rate model commonly used in the structural reliability literature.

A Comparison of Probabilistic Models of Deterioration for Life Cycle Management of Structures

Pandey, M. D. / Yuan, X. -X.

Abstract The probabilistic modelling of deterioration in the time-dependent reliability analysis is a necessary step for developing a risk-based approach to the life cycle management of infrastructure systems. The decisions regarding the time and frequency of inspection, maintenance and replacement are confounded by sampling and temporal uncertainties associated with the deterioration of structural resistance. To account for these uncertainties, probabilistic models of deterioration have been developed under two broad categories, namely the random variable model and stochastic process model. The paper presents a conceptual exposition of these two models and highlights their profound implications to the age-based and condition-based preventive maintenances policies. The proposed stochastic gamma process model of deterioration is more versatile than the random rate model commonly used in the structural reliability literature.

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Title:

A Comparison of Probabilistic Models of Deterioration for Life Cycle Management of Structures

Contributors:

Pandey, M. D. (author) / Yuan, X. -X. (author)

Published in:

Advances in Engineering Structures, Mechanics & Construction ; 735-746

Solid Mechanics and Its Applications ; 140

Publication date:

2006-01-01

Size:

12 pages

ISBN:

978-1-4020-4891-3 , 978-1-4020-4890-6

ISSN:

DOI:

https://doi.org/10.1007/1-4020-4891-2_62

Type of media:

Article/Chapter (Book)

Type of material:

Electronic Resource

Language:

English

Keywords:

life cycle management , structural reliability , age-based replacement , condition-based maintenance , gamma process Engineering , Structural Mechanics , Appl.Mathematics/Computational Methods of Engineering , Theoretical and Applied Mechanics , Civil Engineering , Construction Management

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