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根据大型商场的火灾特点分析了古斯塔夫法的不足,并对其进行了改进.首先,在古斯塔夫法的基础上,考虑了大型商场建筑自身消防系统对火灾危险度的影响,将原火灾危险度分析图四个区域的意义重新进行了定义;其次,设定了危险范围,考虑了点火源、密闭性因子在火灾时对建筑物自身破坏的影响,考虑了消防队的装备先进性、实战水平、到达现场时间、消防车道、室外消火栓因素对消防队灭火能力的影响;然后,将固有火灾危险度与人员火灾危险度进行了加权处理,最终得到了能综合反映建筑火灾危险等级的建筑火灾危险度;最后将改进的古斯塔夫法应用于大连市某大型地下商场的消防安全评价,并根据分析结果提出了相应的建议措施.
According to the fire characteristics of large shopping centers, this paper analyzes the deficiency of Gustav’s method and improves it.Firstly, on the basis of Gustav’s method, the influence of the fire department’s own fire-fighting system on fire risk is considered, The definition of the four regions of the original fire risk analysis is redefined. Secondly, the dangerous scope is set, the influence of ignition source and airtightness on the building itself is considered in the event of a fire, and the equipment of the fire brigade Advanced fire fighting ability, advanced fire fighting ability, advanced fire fighting ability, fire hazard prevention and fire fighting equipment, fire fighting firefighting ability of fire brigade. Then, the inherent fire risk and fire risk of personnel were weighted. Finally, Level building fire risk degree. Finally, the improved Gustaf method is applied to the fire safety evaluation of a large underground mall in Dalian, and the corresponding suggestions are put forward according to the analysis results.