一、前言 由于矿山发生的暴露型巷道火灾急速蔓延扩大,不但对井下设施而且对工作人员都有很大害处,进而有极大的可能酿成重大灾害。笔者,目前对巷道火灾的蔓延特性进行了实验性研究,得出了巷道火灾的基本性状及控制蔓延扩大的基础资料。该研究成果,是以防火带及水喷雾带的防蔓延设施的设计标准为基础资料而被采用的。 作为控制巷道火灾蔓延已往的一个方法,是切断通风。从原来的防火灾措施看,由于火灾发生时通风的变化不明确,很难掌握通风系统,所以采用变化通风条件的方法几乎很难施行。然而,从最近的火灾通风特性的实验研究和变化通风的模拟研究结果 I. Preface Due to the rapid spread of the open tunnel fire in mines, it not only has a great harm to the underground facilities but also to the staff members, which in turn has the greatest possibility of causing major disasters. The author, at present, conducted an experimental study on the spread characteristics of roadway fire, and obtained the basic characters of roadway fire and the basic data for the expansion of control spread. The research results were based on the design criteria of non-invasive facilities for fire protection belts and water spray belts. As a way of controlling the spread of roadway fires, ventilation was cut off. From the original fire prevention measures, the ventilation system is difficult to grasp due to the change of ventilation when the fire broke out. Therefore, it is almost impossible to adopt the method of changing the ventilation conditions. However, from the recent experimental study of the fire ventilation characteristics and the results of a simulation study of variable ventilation