Central 10 cm evaporated; no delamination at the beam ends
Yes
>30
PC evaporation
n.a.
Central 7 cm evaporated; no delamination at the beam ends; beneficial effect of intumescent paint
D
No
1.45
C
n.a.
Premature failure of the adhesive layer between glass segments, with subsequent delamination, dislodgement of segments, and buckling
Yes
4.1
C
n.a.
Beneficial effect of intumescent paint, but similar failure mechanism
E
No
>30
PC melting
n.a.
Significant thermal damage; central 7 cm PC melted (visible after 5 min)
Yes
>39
PC melting
n.a.
Beneficial effect of intumescent paint, even with significant thermal damage; central 7 cm PC melted (visible after 10 min)
Mechanical load included; I = integer beam; BR = broken; C = cohesive failure between glass segments and PC foils; Tmax = maximum temperature monitored on the beam backside, at the end of the experiment; n.a. = not available.