Research on evacuation efficiency of high-rise building in case of fires considering incentive mechanism

doi:10.16265/j.cnki.issn1003-3033.2020.08.012

Abstract

Abstract: In order to explore influence of incentive mechanism on high-rise building fire evacuation, potency, expectation and instrumentality were analogized in evacuation studies by using Vroom's expectation theory, potential value that evacuees can be stimulated was quantified and its impacts on evacuation speed were analyzed. Then, with fire evacuation of a high-rise commercial building as an example, influence of incentive mechanism on evacuation speed was introduced and compared with cases without considering it. The results show that with incentive mechanism, it takes 500 s to evacuate which will be 630 s otherwise. The former has higher evacuation efficiency as a whole while that of the latter is close to 0 after 520 s. Incentive mechanism significantly increases human body's tolerance limit of fire products, reduces impact of smoke on evacuation speed in early stages of fire, and delays life-threatening time point, thus improving evacuation efficiency indirectly.

Key words: high-rise building fire, evacuation efficiency, incentive mechanism, expectation theory, potential stimulation

CLC Number:

X912

YUAN Chunyan, WANG Kun, CHEN Hongyan, LIU Xing, LANG Yujia, LU Pengfei. Research on evacuation efficiency of high-rise building in case of fires considering incentive mechanism[J]. China Safety Science Journal, 2020, 30(8): 79-85.

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