Stability of Axially Compressed Double-Tube Members

COMPRESSED DOUBLE-TUBE MEMBERS the bending resistance. The results obtained from axial loading tests lateral stiffening effect of the inner suitable strength and stiffness prevents buckling of the leads to the axial deformation of the member without any the bending resistance, as shown in feature of this stiffening is that the stiffening member is parallel with the stiffened that the compressive member is stiffened discretely. this paper is to obtain the criterion to Fig.l.