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提出了在高层建筑火灾风险评价的综合指标体系中利用层次分析法确定权重的方法,并将灰色系统中的灰关联分析方法与高层建筑中对火灾起火概率的有影响的因子相结合,着重分析了影响起火概率的复杂而又模糊的因素,然后结合模糊综合评价,对火灾风险的综合评价模型进行评估分析。在对该模型的评估分析中笔者对权重的选取、多层次的灰关联综合评判及模糊综合评价方法进行了的研究,并从实例分析出发,论述了数学模型在高层建设火灾风险评价中的作用,为研究高层建筑火灾风险全面综合的评估评价提供一种新的方法,进而在理论上、方法上为采取合理的火灾防治技术措施提供有益的指导。
A method of using analytic hierarchy process to determine the weight in comprehensive index system of fire risk assessment of high-rise buildings was put forward. Combining the gray relational analysis method in gray system with influencing factors on fire probability of fire in high-rise buildings, The complicated and vague factors which affect the probability of fire are analyzed. Then, the comprehensive evaluation model of fire risk is evaluated with fuzzy comprehensive evaluation. In the evaluation of the model, the author makes a research on the selection of weights, the multi-level gray relational comprehensive evaluation and the fuzzy comprehensive evaluation method. Based on the case analysis, the author discusses the role of mathematical models in the fire risk assessment of high-rise buildings , Which provides a new method for the comprehensive assessment and evaluation of the fire risks of high-rise buildings. In turn, it provides a useful guide in theory and method for taking reasonable fire prevention and control technical measures.