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在分析钢结构住宅火灾危险性的基础上,讨论了钢结构住宅的三种耐火设计方法,包括构件耐火试验法、构件耐火分析法和基于整体结构的耐火设计方法。根据钢结构住宅的耐火设计要求对耐火保护方法进行了详细分析,在此基础上,利用基于计算的构件耐火分析法对某钢结构住宅工程进行了耐火设计。结果表明,构件耐火分析法具有更好的安全性与经济性。
Based on the analysis of the fire danger of steel residential buildings, three fire-resistant design methods of steel residential buildings are discussed, including component fire test method, component fire test method and refractory design method based on the whole structure. According to the requirements of refractory design of steel structure house, the method of fire protection is analyzed in detail. On the basis of this, a refractory design of a steel structure house project is carried out by means of refractory analysis based on calculation. The results show that the component fire resistance analysis method has better safety and economy.