主管：中华人民共和国应急管理部
主办：应急管理部天津消防研究所
ISSN 1009-0029  CN 12-1311/TU
消防科学与技术

消防科学与技术 ›› 2021, Vol. 40 ›› Issue (10): 1451-1454.

• • 上一篇    下一篇

慢行道隧道火灾疏散门间距设置研究

邹 琦1,2，张丽莎1，姜学鹏2，蒲 婷2   

  1. 1.中国市政工程中南设计研究总院有限公司，湖北 武汉 430071；2.武汉科技大学 资源与环境工程学院，湖北 武汉 430081
  • 出版日期:2021-10-15 发布日期:2021-10-15
  • 作者简介:邹 琦(1987-)，男，湖北黄冈人，中国市政工程中南设计研究总院有限公司高级工程师，主要从事隧道及地下空间设计工作，湖北省武汉市解放公园路8号，430071。
  • 基金资助:
    国家自然基金面上项目（51874213）；湖北省重点研发计划项目（2020BCB072）

Research on the spacing of fire evacuation doors in slow-moving road tunnel

ZOU Qi1,2, ZHANG Li-sha1, JIANG Xue-peng2, PU Ting2   

  1. (1. Central and Southern China Municipal Design ＆Research Institute Co., Ltd., Hubei Wuhan 430071, China; 2.School of Resource and Environmental Engineering, Wuhan University of Science and Technology, Hubei Wuhan 430081, China
  • Online:2021-10-15 Published:2021-10-15

摘要： 隧道内慢行道发生火灾，机动车行道作为疏散通道时，在现有规范中，未对疏散门间距给出明确要求。以济南春暄路隧道为工程实例，慢行道火灾情况下对比必需疏散时间与可用疏散时间，验证其疏散安全性以及疏散门间距有效性。结果表明，慢行道发生火灾，耐火极限2 h的中隔墙和甲级防火门将慢行道与机动车道分隔成两个防火分区，机动车道可作为安全区；火源前后均有疏散人员，且人员无法绕过火源疏散，为防止通风时烟气向另一侧聚集危害人员安全，故不进行通风排烟，烟气自由蔓延；疏散门间距为250 m、火源正对疏散门时，不满足人员安全疏散要求；疏散门间距为200 m和150 m时，满足人员安全疏散要求。从安全和运行成本综合考虑，推荐慢行道内疏散门设置间距为200 m。

关键词: 慢行道, 数值模拟, 人员疏散, 疏散门间距

Abstract: In the event of fire with evacuation channel in slow moving road tunnel, the existing specifications do not specify clear requirements for the distance between evacuation doors. Taking Chunxuan Road Tunnel as an engineering example, in case of a slow-moving road fire, the required evacuation time and the available evacuation time are compared to determine the evacuation safety and the effectiveness of the evacuation door spacing. The results showed that in the event of a fire on a slow-moving road, a fire separation wall of 2 hours and Class A fire door could separate the slow-moving road and the car lane into two fire compartments and use the car lane as a safety zone. There were refugees before and after the fire source, and people could not bypass the fire source. Ventilation and smoke evacuation are not performed during ventilation to prevent smoke from accumulating at the opposite side and jeopardizing the safety of pedestrians. Smoke spreads freely. When the distance between the evacuation doors is 250 m and the fire source is facing the evacuation door, the safety evacuation requirements are not met. For that distances of 200 m and 150 m, it meets the requirements for safe evacuation. considering safety and operating costs comprehensively, it is recommended to set the evacuation doors for slow moving roads at 200 m intervals.

Key words: slow-moving road, numerical simulation, evacuation, distance between evacuation doors