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Fire Resistance of LSF Floor Systems Made of Lipped Channel Joists
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Thin-walled cold-formed steel (CFS) members are highly susceptible to performance degradation in fire. This research has investigated the fire behaviour of light-gauge steel-framed (LSF) floor systems constructed with CFS joists through short-span and full-scale ambient temperature and fire tests, and advanced finite element simulations. Key parameters influencing the fire resistance of LSF floors were identified, while the study developed reliable fire resistance levels for all commonly used LSF floor systems. New equations were also developed for predicting the important plasterboard fall-off times. The research findings can be utilized by fire engineers to design fire-safe LSF floor systems in mid-rise buildings.
Title: Fire Resistance of LSF Floor Systems Made of Lipped Channel Joists
Description:
Thin-walled cold-formed steel (CFS) members are highly susceptible to performance degradation in fire.
This research has investigated the fire behaviour of light-gauge steel-framed (LSF) floor systems constructed with CFS joists through short-span and full-scale ambient temperature and fire tests, and advanced finite element simulations.
Key parameters influencing the fire resistance of LSF floors were identified, while the study developed reliable fire resistance levels for all commonly used LSF floor systems.
New equations were also developed for predicting the important plasterboard fall-off times.
The research findings can be utilized by fire engineers to design fire-safe LSF floor systems in mid-rise buildings.
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