Novel simply supported beam bridge floor joint structure

The utility model provides a novel simply supported beam bridge floor joint structure, which comprises an ECC bridge floor connecting plate, an anti-shearing connecting piece, a left side beam body and a right side beam body, the left side beam body and the right side beam body are arranged on a bridge pier to form a simply supported beam with an expansion joint, grooves are arranged at one ends, close to each other, of the left side beam body and the right side beam body, and the two grooves form a connecting groove; the shear connector comprises a steel plate provided with a plurality of holes and a plurality of connecting steel bars welded to the bottom face of the steel plate. The left end and the right end of the connecting groove are each fixedly connected with a row of anti-shear connecting pieces. A steel bar net formed by fixing longitudinal steel bars and transverse steel bars is arranged in the connecting groove, the longitudinal steel bars located at the left end and the right end of the connectin