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今年7月份,在武汉市汉阳区的一个高层住宅,由电缆井内的电缆起火引发了一场火灾。这起事故中,由于电缆井竖向未每层封堵,造成火灾烟气沿竖向井道快速蔓延并扩大燃烧范围,火灾烟气通过23、32楼敞开的电缆井防火门和其他楼层电缆井防火门的门缝向楼层走道蔓延,进入前室、楼梯间。屋顶平台的疏散门被锁闭、外窗被关闭,烟气聚集上部,使23层及以上住户难以疏散。32层及以上住户和想利用屋顶疏散门逃生的人员长时间遭受烟气侵袭,终因吸入烟气而当场死亡或送医后死亡。该起火灾建筑为单元式住宅,建筑高度99.6 m,属于
In July this year, a high-rise residential building in Hanyang District of Wuhan City caused a fire from a cable fire in a cable well. In the accident, since the cable wells were not vertically plugged at each floor, the fire smoke spread rapidly along the vertical shaft and the combustion range was expanded. The fire smoke passed through the cable well fire doors and the other floor cable wells Fire door to the floor walkway cracks spread into the front room, staircase. The evacuation door of the roof platform is locked, the outer window is closed and the upper part of the flue gas accumulates, making it difficult for evacuation of households of 23 stories or more. Persons up to 32 floors and above and those trying to escape from the roof evacuation doors suffered prolonged flue gas attacks and died on the spot or were sent to hospital after inhalation of flue gas. This fire building is a unitary home with a height of 99.6 m and belongs to