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This paper presents forced vibration studies of sagged cables with discrete oil dampers under harmonic excitation using an analytical/numerical hybrid method. The suggested hybrid method can take account of cable sag, cable internal damping, damper stiffness, damper mass, and others. The results show that an oil damper with appropriate parameters selected can effectively suppress the vibration of...
A three-dimensional dynamic finite element model is established for the tower-cable system of the Tsing Ma long suspension bridge which is currently under construction. The two bridge towers, made up of reinforced concrete columns and deep prestressed concrete beams, are modelled by three-dimensional Timoshenko beam elements with rigid arms at the connections between columns and beams. The main...
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