Application of Steel Bent Cap Pier in Tongcheng Avenue Expressway
In order to adapt to the development concept of"innovation,coordination,green,open and sharing",the full prefabricated structure is developed in bridge engineering.The schemes with many years of prefabricating experience can be selected for the superstructure.In recent years,there are many projects of stand column in Shanghai,which are relatively mature.At present,there is no prefabrication method generally accepted for large volume of bent cap,which is a problem for the full prefabricated structure.The new solution for prefabricating the large volume of bent cap in Tongcheng Avenue Expressway Bridge Project is specially introduced.The prefabricating method of substructure bent cap is improved from the aspect of structural materials,which supplements the weakness of the full prefabrication,realizes the full prefabrication of bridge structures and forms the steel and concrete composite structure piers.And the comprehensive analysis is carried out from the economic performance,the social benefit and the others.
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