Concrete-encased double-limb concrete-filled steel tube dumbbell-shaped column structure

The utility model relates to a concrete-encased double-limb concrete-filled steel tube dumbbell-shaped column structure which comprises two column limbs and a reinforced concrete plate connected between the column limbs. Each column limb is composed of a concrete-filled steel tube column and a column outer wrapping concrete layer, and each concrete-filled steel tube column comprises concrete in atube and a steel tube. Each reinforced concrete plate comprises joint blocks, reinforcing steel bars and a filling concrete layer, the joint blocks are connected with the steel pipes and arranged at intervals in the axial direction of the steel pipes, and the two ends of each reinforcing steel bar are connected with the corresponding joint blocks on the adjacent steel pipes respectively. The concrete-encased double-limb concrete-filled steel tube dumbbell-shaped column structure is simple in structure and has the advantages of being fireproof, corrosion-resistant, high in bearing capacity andgood in durability. 本实用新型涉