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http://dx.doi.org/10.5345/JKIBC.2020.20.3.253

Study for Reducing Safety Distance by Installing Ammunition Storage Facility in Underground  

Park, Sangwoo (Korea Military Academy)
Jun, Jonghoon (Korea University)
Choi, Hangseok (Korea University)
Park, Young-Jun (Korea Military Academy)
Publication Information
Journal of the Korea Institute of Building Construction / v.20, no.3, 2020 , pp. 253-260 More about this Journal
Abstract
With increasing interest in an underground-type ammunition storage facility, several design results have been provided recently. However, since not only experts in the tunnel but also military persons in charge of ammunition have not fully understood the safety distance standard, reliable design results are not being produced. In this study, the effective design method of an underground-type ammunition storage facility was provided by analyzing the current safety distance standard. First, the critical safety distances that dominate the size of construction site for underground-type ammunition storage facilities were evaluated, which are the layout of chambers and the configuration of the entrances. Then, the decreasing effect of inter-chamber distance was studied according to the rock type and the storage density of ammunition. In addition, the method of designing tunnels with parallel lines and two-floors was considered for arranging more chambers while complying with the safety distance standards. In particular, numerical simulations were carried out to determine the satisfaction of the safety distance standards when an underground-type ammunition storage facility is composed of two-floor and the decreasing effect of inter-chamber distance according to the inner explosive pressure reduction. Finally, the method to adjust the size of entrances and the path of pressure were studied for decreasing the safety distance at the entrance.
Keywords
underground-type ammunition storage facility; design method of ammunition storage facility; safety control standard of ammunition and explosion; safety distance;
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