居室における2以上の避難出口の要求 : 2方向避難経路の基準に関する性能的考察その1

概要

論文の詳細を見る
It is commonly believed that it is important for safe evacuation in a building fire to arrange for two or more escape routes in different directions. Various provisions are prescribed in building and fire codes of many countries to implement this concept in buildings. The requirement of two or more exits from a room is one of such provisions. However, the specification requiring two or more exits are significantly different from one country to another, and the level of safety assured by the provisions is not clear. In this paper, the meaning of the requirement of two or more exits is considered form the view point of the expected number of occupants unable to escape, and a criterion for the number of required exits is proposed as an alternative to the existing provisions. The proposed criterion is basically the same as existing provisions in terms of the average level of safety assured, but allows an assessment of the effect of the number of exits on safety more explicitly.
社団法人日本建築学会の論文
1997-01-30