Groove body unit and groove body structure of assembled aqueduct

The utility model provides an assembly aqueduct body unit and aqueduct body structure, the aqueduct body unit comprises a left aqueduct body and a right aqueduct body, the left aqueduct body and the right aqueduct body each comprise a side plate, a first bottom plate and a second bottom plate, one end of the first bottom plate is fixedly connected with the bottom of the side plate, and the bottom of the other end of the first bottom plate is fixedly connected with one end of the second bottom plate. A chamfering structure is arranged at the top of the other end of the second bottom plate; a first L-shaped notch is formed between the top surface of the second bottom plate and the side surface of the first bottom plate, and a connecting steel bar is arranged in the first L-shaped notch; the side faces of the two second bottom plates of the two groove bodies are attached to each other, the two chamfer structures of the two second bottom plates jointly form a first filling groove, and the first filling groove is