Abstract
In this study, we reviewed the performance of smoke control system by national fire safety code to secure evacuation time of occupants in case of a fire in large enclosure structures. Towards this end, we performed numerical analysis modeling of the existing large underground shopping mall and investigated types of business and combustibles loaded inside the stores situated at the shopping mall to fulfill the same configuration requirements with actual fire load conditions. To compare effects of smoke control system by national fire safety code, we created 11 smoke control scenarios of large enclosure shopping malls according to the ventilation capacity and conducted numerical analysis of evacuation behavior of occupants and the spread of fire against each scenario. In addition, to compare the results of the numerical analysis, we analyzed total heat release amount, flash-over occurrence time, residual amount of soot indoors and the number of evacuation failures and the dead, thereby deducing the optimal ventilation capacity.
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