Connecting structure of prefabricated hollow bridge pier stud with external notch and sunken bearing platform

The invention relates to the technical field of connecting structures of prefabricated bridge pier studs and bearing platforms, and discloses a connecting structure of a prefabricated hollow bridge pier stud with an external notch and a sunken bearing platform. The connecting structure comprises a prefabricated bridge pier stud and a bearing platform, wherein the bearing platform is provided withan upper end surface opposite to the prefabricated bridge pier stud, a fixing groove is dug downwards in the bearing platform, stand column steel bars are pre-buried in the fixing groove, and the multiple stand column steel bars extend upwards; and the prefabricated bridge pier stud is provided with an outer side wall, and the outer side wall sinks inwards to form a first notch. In the connectingprocess of the prefabricated bridge pier stud and the bearing platform, the prefabricated bridge pier stud only needs to be hoisted into the fixing groove of the bearing platform, the installation issimple, high-strength concr