Research Article
Experimental and Numerical Investigation of Concrete-Filled Double-Skin Steel Tubular Column for Steel Beam Joints
Figure 15
Effect of various parameters on the M-θ relationship of the CFDST column-beam joint. (a) Stiffened height (hw). (b) Column axial load level (n). (c) Strength of beam steel (fy1). (d) Strength of tube steel (fy2). (e) Concrete strength (fcu). (f) Steel ratio (α). (g) Beam-to-column linear stiffness ratio (ki). (h) Beam-to-column bending capacity ratio (km).
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