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Early Anomaly Warning of Environment-Induced Bridge Modal Variability through Localized Principal Component Differences
Publisher: ASCE
Abstract: Accurate elimination of environmental variability on bridge modal frequency is a prerequisite for high-quality structural performance evaluation. However, the non-Gaussian and nonlinear characteristics of data distribution ...
Performance Alarming for Stay Cables Based on a Frequency–Deformation Relationship Model
Publisher: ASCE
Abstract: Stay cables are vital load-bearing components of cable-stayed bridges that are prone to corrosion and fatigue. Damaged or deteriorated cables can endanger the safety of bridges. In this paper, a performance alarming method ...