The fire hazard identification of choi steel temporary building was introduced, including the fire load calculation formu-la, as well as the ignition source including flame, electrical spark and high temperature heat source. The general methods of fire in-vestigation were summarized. Combing with a case, the fire inves-tigation was conducted, and by on scene investigation and inquiry, the fire location and fire cause were accurately determined.%介绍彩钢板临时建筑的火灾危险源辨识,包括火灾荷载计算公式以及明火源、电气火花、高温热源等引火源.总结火灾原因调查的一般方法.结合案例进行火灾事故调查,通过现场勘查和现场询问,准确判定起火部位及起火原因.
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