Performance of Retrofitted Self-Compacting Concrete-Filled Steel Tube Beams Using External Steel Plates

Figure 9

Failure modes of control and retrofitted beams. (a) Typical local buckling and rupture of control beam. (b) RB-PL-SB. (c) RB-FL-SB. (d) RB-PL-DB. (e) RB-FL-DB. (f) RB-PL-TB. (g) RB-PL-TB.

(a)

(b)

(c)

(d)

(e)

(f)

(g)