许为民;姜学鹏;陈欣格;陈慧;

• 1:济南城市建设集团有限公司
• 2:武汉科技大学消防安全技术研究所
• 3:武汉科技大学资源与环境工程学院
• 4:中铁第四勘察设计院集团有限公司城地院

摘要(Abstract)：

为探究地铁长区间隧道设置侧边局部排烟道工程中保证人员安全疏散的排烟方案的判据，结合济南黄河隧道的结构特点，通过理论分析探讨了分段排烟道不同开启方式、列车追踪情况下的烟气控制有效性判定准则。选取最不利工况，利用FDS数值模拟软件构建1∶1等比例的侧边局部排烟道长区间隧道模型，研究了隧道火灾温度场、流速场及疏散平台能见度等分布特性，多方位地判断各种通风排烟方案的烟气控制效果。结果表明：烟气控制有效性的四准则适用于侧边局部排烟道地铁长区间隧道；根据烟气控制四准则定量得到了侧边局部排烟+纵向通风排烟模式下的人员安全疏散评估模型；使用优化评估模型验证了最不利工况下排烟方案设置的合理性。

关键词(KeyWords)： 安全工程;地铁长区间隧道;侧边局部排烟道;数值模拟;人员疏散

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(51874213);; 湖北省重点研发计划项目(2020BCB072)

作者(Authors): 许为民;姜学鹏;陈欣格;陈慧;

DOI: 10.13637/j.issn.1009-6094.2020.1826

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