Title: Study of Vehicle-bridge Coupling Vibration of Double Cable Suspension Bridge
Abstract:A single moving mass-spring-damper model is adopted to simulate the vehicle model.The equation of vehicle-bridge coupling vibration is derived,using D'Alembert principle and the conditions of displace...A single moving mass-spring-damper model is adopted to simulate the vehicle model.The equation of vehicle-bridge coupling vibration is derived,using D'Alembert principle and the conditions of displacement compatibility.The dynamic responses of a double cable suspension bridge to the vehicle moving at different speeds are analyzed,taking into account geometric nonlinearity and irregular profile of the bridge pavement under two types of vehicle loading conditions,namely moving along the center and the eccentric longitudinal axis.The character of vehicle vibration of double cable suspension bridge under a single moving vehicle load is discussed,contrary to designing vertical curve,level of vertical curve,and measured vertical curve after 20 years service,synthetically considering the bridge deck roughness.The study of the dynamic responses character of double cable suspension bridge has a positive significance on dynamic performance evaluation and reinforcement design of such type bridge.Read More
Publication Year: 2010
Publication Date: 2010-01-01
Language: en
Type: article
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