Study on space network of potential secondary accidents of natural disasters

doi:10.16265/j.cnki.issn1003-3033.2021.10.021

Abstract

Abstract: In order to study relationship between potential secondary accidents of natural disasters and disaster bearing bodies' defense, concept of spatial network of secondary accidents was proposed. Firstly, definition of the network was given based on theory of factor space considering factors of potential accidents, and evolution process of these accidents were described by using relationship between disaster bearing body, disaster bearing body index, hidden danger and accidents. Then, the spatial network was established, and hidden danger model library and accident model library were provided. Finally, analysis method of potential secondary accidents were proposed, secondary hidden danger, accident, hidden danger mode and accident mode of coal mines were obtained, and tracing mechanism was established. The results show that rectification object of eliminating hidden danger and preventing secondary accidents is accurate to disaster bearing body index, which provides a new method for study of secondary accidents caused by natural disasters.

Key words: natural disaster, hidden dangers of secondary accidents, space network, disaster bearing body, accident mode

CLC Number:

X915.5

WANG Wei, QI Qingjie, LIU Wengang. Study on space network of potential secondary accidents of natural disasters[J]. China Safety Science Journal, 2021, 31(10): 152-158.

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