社会在发展,科技在进步,随着现代化建设水平不断提高,高层建筑的发展方向越来越趋向大型化、功能化、综合化,建筑发生火灾时,很大部分是由于烟气排放不通畅,导致窒息而死或者跳楼摔死的悲剧,因此,科学的做好建筑的防排烟设计工作,完善高层建筑的安全设计是高层建筑中的重要问题。 Social development, science and technology are improving, with the continuous improvement of the level of modernization, the direction of the development of high-rise buildings tend to become more and more large-scale, functional, integrated, fire in the building, a large part of the smoke is due to flue gas is not smooth, Leading to the death of suffocation or jumping from building to tragedy. Therefore, scientifically doing a good job in building smoke control design and improving the safety design of high-rise buildings is an important issue in high-rise buildings.