▎ 摘　　要

NOVELTY - The utility model claims a steel-steel tube concrete combined column, comprising a steel pipe, the steel pipe is provided with a plurality of ribs, one end of a plurality of said mutually connected form the centre shaft of the steel framework, and the other end of a plurality of said respective fixed connected on the inner side of the steel tube wall, the steel framework central axis coincides with the axis of the steel, a plurality of the ribs and the inner side wall of the steel pipe in the cavity formed by poured the small amount of concrete mixed with graphene. steel-steel tube concrete combined column can effectively improve the mechanical property of the steel pipe concrete, and effectively avoid dropping and hollow steel tube concrete of the utility model embodiment of the present invention.