Analysis on the Design of Bridge Scheme under Low Clearance
Based on the newly-built fly-over bridge project of Yanggao Middle Road reconstruction engineering,this paper discusses the complex construction conditions of Yanggao Middle Road,as well as the characteristics of the whole Yanggao Middle Road merging with the rail transit line 9,low bridge deck elevation,and multiple large portal frames.Through the comparison and selection of different bridge superstructure forms,combined with the construction conditions,the appropriate beam type suitable for low bridge deck elevation and large portal frame is selected.Then,through the comparison and selection of bridge span and appearance,the scheme design of bridge under low bridge deck elevation is analyzed in an all-round way,which can be used as a reference for similar engineering design.
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