Fire Resistance of Composite Beams with Restrained Superposed Slabs

Figure 7

Failure modes of SCB-2: (a) water spots, (b) severe out-of-plane instability of the slab, (c) cracks on the top surface of the slab, and (d) local bursts on the bottom surface of the slab.

(a)

(b)

(c)

(d)