Providing the effectiveness of people evacuation using emergency sign marking
DOI:
https://doi.org/10.33408/2519-237X.2025.9-2.214Keywords:
fire safety, evacuation, loss of visibility, illumination, fire hazard dynamicsAbstract
Purpose. Based on the results of a field survey of complex floor plan and overcrowded building, to assess the provision of successful evacuation, taking into account the dynamics of fire hazards using specialized software products, determine the need to use additional technical measures to ensure the successful evacuation of people; to develop an algorithm for determining additional technical measures to ensure the successful evacuation of people from buildings with mass presence of people and complex architectural planning based on the criterion of visibility loss.
Methods. Review, analysis and comparison of published results of experimental and theoretical research, fire dynamics and evacuation of people modeling.
Findings. The calculation method using modeling was applied to determine the time of occurrence of critical values and determining fire hazard: the maximum permissible value of the dangerous factor of fire for loss of visibility occurs earlier than the completion of the calculated process of evacuation from the floor of the fire. Taking into account illumination and visibility parameters on evacuation routes, the need to use an additional visual technical means of evacuation control – emergency route sign marking, is justified. An algorithm is proposed for determining additional measures to ensure the successful evacuation of people from buildings according to the criterion of loss of visibility, taking into account changes in illumination along evacuation routes as a result of the spread of fire hazards along them.
Application field of research. Assessment by specialists in the field of fire safety (experts, specialists from design organizations) of the level of fire safety of people at buildings with complex architectural planning and mass presence of people.
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