By analyzing the work mechanism of the concentrically columns filled CFRP-steel tube,some premises are brought forward,when calculating its ultimate bearing capacity.

• 在统一强度理论的基础上,分析CFRP-钢管混凝土核心柱的工作机理,提出极限承载力计算时的基本假定,推导了CFRP-钢管混凝土核心轴压短柱的极限承载力公式。