Title: Dynamic analysis of a new type of railway steel-concrete composite trussed bridge under running trains excitation
Abstract:A 3-D dynamic interaction model of a new type of railway steel-concrete composite trussed bridge consisting of a triangular truss and a grooved concrete slab with a running train was established,which...A 3-D dynamic interaction model of a new type of railway steel-concrete composite trussed bridge consisting of a triangular truss and a grooved concrete slab with a running train was established,which is composed of a train model and a finite element bridge model under the excitation source of measured track irregularities.Taking the Mawu Jinghe Bridge locating on the railway between Xi'an and Pingliang as the engineering background,the dynamic analysis of train-bridge coupled system was performed.The dynamic responses of the bridge under the running loads of heavy haul freight cars,common and high speed passenger cars,were calculated respectively and the running ability of the train on the bridge was evaluated.Numerical results show that the bridge scheme can satisfy the running safety and comfort of the three types of trains at different speeds on the bridge and can be widely adopted in railway transportation in China.Read More
Publication Year: 2012
Publication Date: 2012-01-01
Language: en
Type: article
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Cited By Count: 1
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