Abstract
This article describes the application of the Petri net modelling approach to managing the maintenance process of railway bridges. The Petri net model accounts for the degradation, inspection and repair processes of individual bridge elements in investigating the effectiveness of alternative maintenance strategies. The times governing the degradation and repair processes considered are stochastic and defined by the appropriate Weibull distribution. The model offers a capability for modelling the bridge asset which overcomes the limitations in the currently used modelling techniques reported in the literature. The bridge model also provides a means of predicting the future asset condition as a result of adopting different maintenance strategies. The solution of the Petri net model is performed using a Monte Carlo simulation routine. The application of the model to a typical metal railway bridge is also presented in the article.
| Original language | English |
|---|---|
| Pages (from-to) | 306-323 |
| Number of pages | 18 |
| Journal | Proceedings of the Institution of Mechanical Engineers. Part O, Journal of Risk and Reliability |
| Volume | 231 |
| Issue number | 3 |
| DOIs | |
| Publication status | Published - 1 Jun 2017 |
| Externally published | Yes |
Keywords
- Bridge
- Monte Carlo
- Petri net
- Weibull distribution
- asset management
- degradation
- lifetime analysis
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