Connecting system of fabricated combined pier and bearing platform and construction method of connecting system

Abstract

The invention provides a connecting system of a fabricated combined pier and a bearing platform and a construction method of the connecting system, and belongs to the technical field of building partsof roads, railways or bridges. The connecting system comprises the combined pier, the bearing platform, a steel component and a fastener, wherein the combined pier, the steel component and the bearing platform are sequentially mounted; the fastener penetrates through the steel component and comprises a screw part and a connecting part; the screw part is pre-buried in the bearing platform; and theconnecting part is connected with the combined pier through the steel component. The connecting system is simple in structure, high in strength, light in self weight, high in bearing capacity, firm in connection, high in construction speed and convenient to construct, fabricated construction can be adopted, and the defects that the grouting compactness is difficult to control and detect due to the fact that sleeve connection is adopted at present, and a prefabricated part is large in self weight can be overcome.

Description

Technical field[0001]The application relates to a connection system and a construction method for a prefabricated composite bridge pier and a bearing platform, and belongs to the technical field of building parts for roads, railways or bridges.Background technique[0002]With the further advancement of the industrialization of bridges, the traditional construction method of pouring all on site has gradually changed to a construction method in which some or most of the components are prefabricated in the factory and then shipped to the site for installation. Compared with the traditional construction method, the industrial production method first What has been solved is the connection between the prefabricated components and the self-weight of the prefabricated components. In the process of bridge industrialization, the upper structure is earlier than the lower structure. At present, the bridge industrialization mainly refers to the industrialization of the lower structure, that is, th...

AI Technical Summary

Problems solved by technology

At present, the connection form between multi-section composite bridge piers mainly adopts sleeve connection. This assembled connection method often requires pre-embedded steel connection sleeves in the prefabricated sections of the pier, and as the height of the pier increases, the number of pier sections also needs to increase. At the same time, the number of steel bar connection sleeves that need to be pre-embedded also increases accordingly, and the increase in the number of steel bar connection sleeves greatly increases the cost of manufacturing bridge pier columns

On the other hand, the prefabricated assembly method of the pre-embedded steel connection sleeve has high requirements for construction accuracy and grouting quality. During the assembly construction process, there are requirements for accurate positioning and grouting between the components, and the grouting density in the sleeve is very high. Difficult to detect, which makes the sleeve connection method subject to certain restrictions in practical engineering applications

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