策划人语近年来,随着经济的不断繁荣发展,经济建设日新月异,高层建筑在大、中城市乃至小城市里也如雨后春笋拨地而起。由于高层建筑高、层数多、使用功能复杂、人员密集,加之各种管道竖井纵横交错,以及可燃物多、火灾荷载大等特点,一旦发生事故, Planning language In recent years, with the constant economic development, rapid economic development, high-rise buildings in large, medium-sized cities and even small cities are thriving. As the high-rise buildings, the number of floors, the use of complex functions, staff-intensive, combined with a variety of vertical and horizontal pipe shaft staggered, and more combustible, fire load and other characteristics, in the event of an accident,