Abstract：Research purposes:In china, the bridge-building combined structural style is employed by many large-scale railway stations at present. The elevated track layer is both a part of the overall station building structure and the bridge structure to bearing the dynamic load of train. So the design of the elevated track layer is always one of the difficulties in the design of bridge-building combined railway station. Taking the central station track layer structure of the newly-built Shenyang South Railway Station as an illustration，the paper introduces the design method for the elevated track layer of the bridge-building combined railway stations.
Research conclusions:Research shows that:(1)For the elevated track layer structure of the bridge-building combined railway stations，the envelope design method must be employed in order to meet the codes of building constructions and the codes of railway bridge.(2)For the elevated track layer structure of the bridge-building combined railway stations，the seismic performance analysis under moderate earthquake should be carried out.(3)For the elevated track level structure of the bridge-building combined railway stations，the bond-retarded prestressed technique is applied to improve the stiffness and anti-fatigue performance of the bearing-rail beams.(4)All of the above can provide reference for the design of the similar elevated track layer structure.
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2014, Vol. 31 
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