建筑物大型屋顶的防火安全。从下部起火。第1部分：定义、要求和试验。封闭式屋顶区。
Fire safety of large roofs for buildings - Fire exposure from below - Part 1: Definitions, requirements and tests; roof areas without openings.
结构的安全等级为二级，耐火类别为丁类、防火等级为二级，建筑物抗震设防烈度为7度。
Structure of safety grade two, refractory categories for the class, grade two, building seismic fortification intensity is 7 degrees.
为了验证了评价模型的准确性，将该理论应用到某购物商场火灾危险性评价中，取得了满意效果，为建筑物防火设计以及安全管理提供了可行的依据。
In order to verify this method, it was applied to a supermarket with satisfactory result providing some feasible criteria for safety design and management of building fire.
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