Butt joint structure of T-shaped profile and flat-bulb steel

The invention discloses a butt joint structure of a T-shaped profile and flat-bulb steel. The butt joint structure comprises the T-shaped profile and the flat-bulb steel which are both fixedly connected to a bottom plate. A web plate of the T-shaped profile and a plate body of the flat-bulb steel are fixedly connected to the bottom plate respectively; a web plate of the T-shaped profile is fixedly connected with the plate body of the flat-bulb steel; the end part of a panel on the left side of the web is fixedly connected with a bulb of the flat-bulb steel; the end part of a panel on the right side of the web plate is provided with a first cutting inclined part; the end part, connected with the panel of the T-shaped profile, of the bulb of the flat-bulb steel is provided with a second cutting inclined part; the structure also comprises a plate-shaped piece which is fixedly connected to the web plate of the T-shaped profile and the plate body of the flat-bulb steel at the same time; the distance between the pl