An analysis of interaction of thin-walled circular steel tube and filled concrete under axial compression is carried out. Acting force and stress-strain relationship between thin-walled steel tube and concrete is presented.

• 通过对薄壁圆钢管与内部混凝土的相互作用分析,可以得出薄壁圆钢管与混凝土的应力-应变关系及二者间的作用力。