Abstract
Frequent high-rise building fires have posed serious threats to urban public safety. In this study, real-time travel times extracted from online maps were applied to estimate fire service coverage rates for high-rise buildings. Firstly, the minimum fire apparatus requirement for high-rise building “at least 1 water fire truck and 1 aerial fire truck should arrive at the fire scene of high-rise building within 240 s” was proposed. Then, a dynamic estimation model of fire service coverage rate for high-rise buildings was established. To validate the model, 5146 high-rise buildings, 61 water fire trucks, and 56 aerial fire trucks in Changsha were selected as case studies. The results show that the total effective coverage rate and total average travel time in Changsha are 20.43% and 421.95 s, respectively. There are 10,840 water fire trucks and 6192 aerial fire trucks in China. Based on the average number of water fire trucks and aerial fire trucks per high-rise building, it can be estimated that the total effective coverage rate in China may not exceed 60.00%. Due to limited fire resources and frequent traffic congestion, only partial high-rise buildings can be effectively covered by fire services, whether in Changsha or China.
Highlights
With the urbanization process, more and more high-rise buildings have appeared around the world [1,2,3,4]
The main objective of this study is to establish a dynamic estimation method of fire service coverage rate for high-rise buildings based on the big data of point of interest (POI) and real-time travel times extracted from online maps
We proposed that the minimum fire apparatus requirement for high-rise buildings is “at least one water fire truck and one aerial fire truck should arrive at the fire scene of high-rise building within 4 min (240 s)”
Summary
More and more high-rise buildings have appeared around the world [1,2,3,4]. The number of high-rise buildings in China exceeded 347,000 in 2017 and is still increasing rapidly [6]. These have led to frequent fires in high-rise buildings. 2017, there were about 31,000 high-rise building fires in China [6]. The fire risk of high-rise buildings poses a serious threat to urban public safety. High-rise buildings should be able to obtain efficient and effective fire services. Can high-rise buildings be effectively covered by fire services? Can high-rise buildings be effectively covered by fire services? The present study was aimed at answering this question
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