FRP-Confined Concrete Columns: A New Procedure for Evaluating the Performance of Square and Circular Sections

Figure 5

Stress distribution in MPa at peak loads in square columns with different corner radii. (a) Theoretical model. (b) r = 30 mm. (c) r = 50 mm. (d) r = 60 mm. (e) r = 70 mm. (f) r = 90 mm.

(a)

(b)

(c)

(d)

(e)

(f)