Special-shaped prefabricated high-strength concrete externally-hung wallboard connecting joint and construction method

The invention discloses a special-shaped prefabricated high-strength concrete externally-hung wall plate connecting joint and a construction method, and belongs to the technical field of wall plate and steel beam connection. The connecting joint comprises an externally-hung wall plate, a steel beam, an upper hanging assembly and a lower bearing assembly; the upper hooking assembly comprises a first connecting piece, a second connecting piece and a connecting bolt; the first connecting piece is arranged on the steel beam; the second connecting piece is arranged on the external wall panel and is connected with the first connecting piece through the connecting bolt; the lower bearing assembly comprises a support, a first mounting piece, a second mounting piece and a connecting bolt; the support is arranged on the steel beam; the first mounting piece is fixedly arranged on the support; and the second mounting piece is arranged on the externally-hung wall plate. According to the invention, hanging connection and s