Study on the Influence of Span on the Superstructure Beam Cost of Urban Road Viaduct
In order to select the reasonable superstructure beam of urban road viaduct,this paper analyzes the influence of span on different su-perstructure types of viaduct from the perspective of cost.The results show that for every 1 m,the cost of prefabricated small box girder increa-ses by 73.3 yuan,the cost of precast T-beam increases by 67.3 yuan.The cost of steel box girder increases by 70.7 yuan,62.7 yuan,and the cost of steel concrete continuous girder of large-span bridge increases by 62.7 yuan,the superstructure of viaduct standard span is recom-mended;steel concrete continuous beam is the superstructure of large-span bridge.
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