Shear Strengthening of RC Deep Beams with Symmetrically or Asymmetrically Positioned Square Openings Using CFRP Composites and Steel Protective Frames

Figure 6

Failure modes of specimens with symmetrically positioned openings: (a) specimen S, (b) specimen S-EBR, (c) specimen S-EBROG, and (d) specimen S-W.

(a)

(b)

(c)

(d)