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为研究公路隧道火灾烟气扩展特性,设计了火源采集、温度采集、烟雾采集、风速测定等一系列数据采集方案,建立了一套隧道现场燃烧试验系统。在已建成的隧道中开展实体隧道燃烧试验,测试了不同通风模式、不同燃烧工况下隧道火源上下游不同断面处的烟气沉降情况和烟气扩展情况,为隧道火灾试验研究及烟气控制工作提供参考方法及数据支持。
In order to study the fire smoke expansion characteristics of highway tunnels, a series of data acquisition schemes of fire source collection, temperature collection, smoke collection and wind speed determination were designed and a tunnel on-site combustion test system was established. In the completed tunnel, physical tunnel combustion test was carried out to test the different ventilation mode, different combustion conditions at different sections of the tunnel upstream and downstream of the flue gas deposition and flue gas expansion situation for the tunnel fire test and flue gas Control work to provide reference methods and data support.