1 引言高层建筑通风空调防火与防排烟的设计,是关系到生命和财产安全的重大问题,决不可掉以轻心,必须全面考虑防火安全、通风空调系统自身的安全及保证人员安全疏散与消防扑救的防排烟系统。日前《高层民用建筑设计防火规范》(下称《高规》)中的有关规定尚不够明确, 1 Introduction The design of ventilation, air-conditioning, and smoke prevention and control of high-rise buildings is a major issue related to life and property safety. It must not be taken lightly. Fire safety, the safety of ventilating and air-conditioning systems must be fully considered, and the safety evacuation and fire fighting of personnel must be ensured. Smoke prevention system. The relevant regulations in the “High-rise Civil Building Design Fire Prevention Code” (hereinafter referred to as the “High Regulations”) are not yet clear enough.