Behavior of an Innovative Square Composite Column Made of Four Steel Tubes at the Corners and Corrugated Steel Batten Plates on all Sides

Figure 14

Longitudinal concrete stress distribution in midsections of the ISSCC column. Stress contours under (a) the yield load, (b) the ultimate load, and (c) the ultimate load of 85%.

(a)

(b)

(c)