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Dynamic Performance Evaluation of a High-Speed Four-Track Railway Bridge Traversed by Multiple Trains
Publisher: American Society of Civil Engineers
Abstract: With the continuous construction of high-speed railway networks in China, long-span railway bridges which carry multiple tracks are being put into service on the high-speed railway line. However, few studies focus on bridge ...
Reliable Fatigue-Life Assessment of Short Steel Hanger in a Rigid Tied Arch Bridge Integrating Multiple Factors
Publisher: American Society of Civil Engineers
Abstract: With higher requirements in stiffness and strength, the running safety of high-speed railway bridges is more sensitive to structural damage. Compared with long steel hangers, short steel hangers sustain greater damage under ...
Long-Term Temperature Monitoring and Statistical Analysis on the Flat Steel-Box Girder of Sutong Bridge
Publisher: American Society of Civil Engineers
Abstract: Using the flat steel-box girder of China’s Sutong Cable-stayed Bridge as a research object, its temperature field is long-term monitored and analyzed based on bridge’s structural health monitoring system. The temperature ...
Fatigue Behavior Evaluation of Full-Field Hangers in a Rigid Tied Arch High-Speed Railway Bridge: Case Study
Publisher: American Society of Civil Engineers
Abstract: The steel truss arch is an important structural type for high-speed railway bridges with long spans. The fatigue assessment of rigid hangers under long-term train loads is an important concern. In this study, the Nanjing ...
Finite Element Modeling of the Tower of Runyang Cable-stayed Bridge Based on Ambient Vibration Test
Publisher: American Society of Civil Engineers
Abstract: The multi-level model updating method is put forward for finite element modeling of the bridge tower for long-span cable-stayed bridge, which includes model order updating, model structure updating and model parameter ...