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Abstract
This study employs a probabilistic approach to rank factors influencing the formation and extension of façade fires in both single- and double-skin façades. In a total of 76 façade fire scenarios excluding repetitive ones, 53 scenarios are simulated using FDS. The study defines two criteria: façade fire formation possibility (FFFP) and façade fire extension possibility (FFEP). These criteria are controlled in a multi-story building. Many results are provided by the analyses performed. For instance, the results indicate that while double-skin façades can decrease FFFP, they can increase FFEP. Notably, the study reveals that the impact of windows' width on FFEP is significantly greater than that of windows' length. Additionally, when no fire stop is installed on the double-skin façade, the installation of sidewalls can markedly increase FFEP. The research here is particularly valuable for façade engineers and architects whose primary intention is often to propose eye-catching designs.
Published Version
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