Probabilistic fatigue life prediction for bridges using system reliability analysis and SHM-based finite element model updating

Young-Joo Lee & Soojin Cho
Fatigue is one of the main causes of bridge failures. A bridge is designed with a particular service life, but after it is constructed, its strength degrades over time. Therefore, to effectively maintain and retrofit a bridge, it is essential to predict its remaining fatigue life. However, doing so is a very challenging task because fatigue life prediction should be based on the current condition of the bridge, and this obviously incurs many uncertainties. In...
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