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采用实体试验的方法,选用木材、棉绳和正庚烷试验火,在大空间建筑中进行早期火灾试验。试验人员在密闭无干扰和7m自然通风条件下对不同火源以及高大空间内不同火源位置分别进行了试验,对试验火的烟气温度进行了分析研究,总结了外界环境干扰和不同火源位置对早期火灾烟气在高大空间建筑中运动的影响,为高大空间建筑物火灾探测报警设备选型及设置提供设计依据。
The physical test method, the choice of wood, cotton rope and n-heptane test fire, in the large space building for early fire test. The experimenter tested the different fire sources and the locations of different fire sources in a large space under confined and non-interference and 7m natural ventilation respectively. The flue gas temperature of the experimental fire was analyzed and studied, and the influences of external environment disturbance and different sources of ignition Location of the early fire smoke in the construction of tall buildings in the impact of movement for large space fire detection and alarm equipment selection and configuration provide the basis for the design.