传统村落民居的火灾蔓延危险性分析

Fire Spread Risk Analysis of Traditional Village Dwelling Houses

对江西、陕西两个传统村落的调研表明传统村落民居火灾荷载密度较大,火灾蔓延风险较高。通过数值模拟结果对比发现,徽派建筑民居由于马头墙的存在,火灾仅限建筑内部蔓延,而其他类型民居火灾则通过顶棚蔓延到相邻建筑,甚至跨街区蔓延。

Surveys to dwelling houses in two traditional villages of Jiangxi province and Shanxi province show that the fire load density of traditional village dwelling houses is large,and the risk of fire spread is very high. The numerical simulation results present the differences between these two type village dwelling houses in fire. Buildings in villages of Jiangxi province are Hui Style buildings,but buildings in villages of Shanxi province are not. The fire spread is limited in building itself for its horse-like wall in villages of Jiangxi province. The fire spread in other buildings could even spread to the buildings on the other side of the street in villages of Shanxi province.