Assembly type reinforced concrete shear wall vertical connecting structure and construction method thereof

The invention discloses a fabricated reinforced concrete shear wall vertical connecting structure and a construction method thereof, and belongs to the field of concrete shear walls. The fabricated reinforced concrete shear wall vertical connecting structure comprises a first concrete shear wall main body and a second concrete shear wall main body, and a plurality of transverse steel bars and longitudinal steel bars which are crisscrossed are arranged in the first concrete shear wall main body and the second concrete shear wall main body; the first concrete shear wall main body and the second concrete shear wall main body can be preliminarily fixed through the connecting piece; the first concrete shear wall body and the second concrete shear wall body are further fixed by pouring concrete at the butt joint ends between the first concrete shear wall body and the connecting piece and between the second concrete shear wall body and the connecting piece, operation is easy, bolt splicing is not needed, and the ins