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

Figure 5

Preparation stages for the retrofitted beams. (a) SCCFST beams. (b) Drilled SCCFST beams. (c) Typically drilled hole. (d) Application of epoxy and installation of bolts through holes.

(a)

(b)

(c)

(d)