Overview of Research Progress on Innovative Approaches to Steel-concrete Joint Interfaces for Enhanced Performance in Cable-stayed Bridges

The steel cable-stayed bridge has the characteristics of light weight, high construction precision, easy assembly, good seismic performance and clear force of cable tower anchorage structure. The concrete tower or pile cap has the advantages of high rigidity, low cost and low maintenance cost. Steel-concrete hybrid bridge tower combines the advantages of steel bridge tower and concrete bridge tower, and has been adopted by more and more bridge structures. This paper mainly introduces the structural form of steel-concrete composite bridge tower, and supplements the application of steel-concrete composite structure in main beam. The force borne by each part of the component is also different. In the process of excessive bearing capacity, shear keys, shear studs and other components play an important role. Future research can use computers to simplify the design process.