Deterioration Forecasting Model with Multistage Weibull Hazard Functions
- 1 December 2010
- journal article
- Published by American Society of Civil Engineers (ASCE) in Journal of Infrastructure Systems
- Vol. 16 (4) , 282-291
Abstract
In this paper, a time-dependent deterioration forecasting model is presented. In the model the deterioration process is described by transition probabilities, which are conditional upon actual in-service duration. The model is formulated by the multistage Weibull hazard model defined by using multiple Weibull hazard functions. The model can be estimated based upon inspection data that are obtained at discrete points in time. The applicability of the model and the estimation methodology presented in this paper are investigated against an empirical data set of highway utilities in the real world.Keywords
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