Behavior of the T-Shaped Concrete-Filled Steel Tubular Columns after Elevated Temperature

Figure 14

Different temperatures for the same duration and the same steel ratio. (a) 4 mm thickness with 1 hour heating. (b) 5 mm thickness with 1 hour heating. (c) 6 mm thickness with 1 hour heating. (d) 4 mm thickness with 1.5 hours heating. (e) 5 mm thickness with 1.5 hours heating. (f) 6 mm thickness with 1.5 hours heating. (g) 4 mm thickness with 2 hours heating. (h) 5 mm thickness with 2 hours heating. (i) 6 mm thickness with 2 hours heating.

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)

(i)