隧道火灾往往会造成严重的人员伤亡和巨大的社会影响及经济损失,是威胁隧道运营安全的主要灾害之一。本文指出了隧道火灾的诱因、频率及其特点,介绍了隧道火灾的主要研究方法及研究内容,并重点介绍了隧道火灾的两个主要影响因素——火源释热率和临界风速,最后提出了今后有待研究的内容。 Tunnel fire often causes serious casualties and huge social impact and economic losses, is one of the major threats to the tunnel operation safety. This paper points out the causes, frequency and characteristics of tunnel fire, introduces the main research methods and research contents of tunnel fire, and emphatically introduces two main influencing factors of tunnel fire, namely, the source heat rate and the critical wind speed, and finally puts forward The future to be studied.