Fire Safety Science Digital Archive

With the stable and fast development of China economic, high-rise buildings were set up more and more. According to the statistical data, the number of high-rise buildings being used exceeds 20000, and there are over 300 buildings whose height is in excess of 100m in China. As a mass of combustibles used in high-rise buildings, fire probability is high. Meanwhile, human evacuation in high-rise buildings during fire periods is more difficult than those in common buildings. In 2002, 15270 fires happened in high-rise buildings, the death and the direct economic loss are 614 persons and 0.228 billion RMB respectively in China. Especially after “9.11” event, how to improve fire prevention of high-rise buildings is an important project for building fire researchers. The wind pressure occurred in high-rise building fire induces fire smoke spreading