Journal of the Korean Society of Safety (한국안전학회지)

The Korean Society of Safety (한국안전학회)
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Expected Damage Analysis of Risk Exposure Object by Violation Rate of Safety Distance in Explosion of Ground Type Magazine

지상형 탄약고 폭발 시 안전거리 위반율에 따른 위험노출대상의 피해 수준 분석 연구

  • Ham, Tae Yuun (Interdisciplinary Program in Crisis Disaster and Risk Management, Sungkyunkwan University) ;
  • Lee, Jae Joon (Interdisciplinary Program in Crisis Disaster and Risk Management, Sungkyunkwan University)
  • 함태윤 (성균관대학교 방재안전공학과) ;
  • 이재준 (성균관대학교 방재안전공학과)
  • Received : 2022.06.10
  • Accepted : 2022.08.04
  • Published : 2022.08.31
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Abstract

Of the Korean military's 3,959 ammunition depots, 1,007 - more than 25% - violate safety requirements for distance and equipment. There is a risk of explosion in old depots that are vulnerable to various interior and exterior accidents. This paper examines 10 scenarios, with varying values for ammunition amount and safety distance. The study calculated the overpressure that can be applied to risk-exposure objects, based on the safety distance; expected damage was predicted using constructed spatial information from 3D explosion simulations. The simulations confirmed that explosion overpressure increased the most when the safety distance violation rate increased from 80% to 90%. It also confirmed that secondary damage such as fire and explosion can cause casualties and property damage when the violation rate is 60% or higher. The results show that building collapse becomes a risk with a violation rate of 70% or higher. We conclude that taking ammunition depot safety distance violation into account when planning military facilities and their land utilization could better protect life and property.

Keywords

Acknowledgement

This work was supported by the National Research Foundation, Korea (NRF) under Grant [2021R1C1C2010999]. This research was supported by a grant (2019-MOIS33-005) of Lower-level and Core Disaster-Safety Technology Development Program funded by the Ministry of Interior and Safety (MOIS, Korea).

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