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Risk-informed Real Time Decision Making of Fatigue-sensitive Structures within High-speed Train
Abstract
Corrosion and fatigue can affect structural performance and ultimately can cause structural failure. For instance, generally the train bogie components experience many stress cycles during routine high-speed train journeys, which could result in cumulative fatigue damage and eventually leading to fatigue failure. Thus, monitoring and inspection events are needed to ensure structural safety. Inspection events, such as non-destructive inspections, can be used to estimate the performance of high-speed train details that are prone to fatigue and corrosion. Based on the inspection and monitoring results, performance of the inspected and uninspected details with railway systems can be updated and planned. Overall, the probabilistic fatigue performance assessment and optimal planning using inspection events will be conducted in this paper to ensure structural safety and functionality during the service life of high-speed trains.
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