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Stochastic process deterioration modelling for adaptive inspections

Ohadi, A. & Micic, T. (2011). Stochastic process deterioration modelling for adaptive inspections. In: Applications of Statistics and Probability in Civil Engineering. (pp. 322-326). UK: CRC Press.


In this paper we have considered an option to model deterioration process for infrastructure components using stochastic process representation as an alternative to random variable modelling that is prevalent approach when uncertainty is taken into account. In particular, we have identified that a Gamma process represents a very simple and effective method to establish consistent deterioration models for structures that are subject to inspection. As a result of such approach we see an opportunity to establish adaptive inspection regimes that would account much better for the structure specific deterioration path, site specific environment, in service inspection outcomes, inspection technique effectiveness, etc. An example is presented to demonstrate deterioration modelling and further work is identified.

Publication Type: Book Section
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Departments: School of Science & Technology > Engineering
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