ABSTRACT

Extensive fire endurance experiments have been conducted by Kodur et al. (Kodur et al., 2006) on full scale loaded specimens, consisting of FRP-retrofitted columns, beams and slabs in accordance with ASTM E-119. All assemblies were retrofitted with carbon or glass FRP and covered with the AFP system. The system consists of a noncombustible, zero flame spread, spray-applied fire insulation layer, covered by a surface hardening sealing compound. The insulating component’s thermal conductivity is about 0.082 W/m °C, whereas for gypsum plaster it is approximately 0.25 W/m °C at room temperature. The AFP thickness can be varied to obtain several fire endurance performances.