[논문]군중 밀집 위험도 분석과 고위험 보행로 선정을 위한 수치지형도 기반 3D 모델링

이재민; 김임규; 박상용; 김현철

doi:10.14346/jkosos.2023.38.2.87

군중 밀집 위험도 분석과 고위험 보행로 선정을 위한 수치지형도 기반 3D 모델링
3D Modeling based on Digital Topographic Map for Risk Analysis of Crowd Concentration and Selection of High-risk Walking Routes 원문보기

한국안전학회지 = Journal of the Korean Society of Safety, v.38 no.2, 2023년, pp.87 - 95

이재민 (전남대학교 조선해양공학과) , 김임규 (삼성에스원) , 박상용 (주식회사 아이캡틴) , 김현철 (주식회사 아이캡틴)

Abstract ▼ AI-Helper

On October 29, 2022, a very large number of people gathered in Itaewondong, Yongsan-gu, Seoul, Korea for a Halloween festival, and as crowds pushed through narrow alleys, 159 deaths and 195 injuries occurred, making it the largest crushing incident in Korea. There have been a number of stampede deaths where crowds gathered at large-scale festivals, event venues, and stadiums, both at home and abroad. When the density increases, the physical contact between bodies becomes very strong, and crowd turbulence occurs when the force of the crowd is suddenly added from one body to another; thus, the force is amplified and causes the crowd to behave like a mass of fluid. When crowd turbulence occurs, people cannot control themselves and are pushed into he crowd. To prevent a stampede accident, investigation and management of areas expected to be crowded and congested must be systematically conducted, and related ministries and local governments are planning to establish a crowd management system to prepare safety management measures to prevent accidents involving multiple crowds. In this study, based on national data, a continuous digital topographic map is modeled in 3D to analyze the risk of crowding and present a plan for selecting high-risk walking routes. Areas with a high risk of crowding are selected in advance based on various data (numerical data, floating population, and regional data) in a realistic and feasible way, and the analysis is based on the visible results from 3D modeling of the risk area. The study demonstrates that it is possible to prepare measures to prevent cluster accidents that can reflect the characteristics of the region.

주제어

표/그림 (7)

그림 Fig. 1. A highly crowded situation.
표 Table 1. 9 levels of crowd accident risk
그림 Fig. 2. Land information platform map data.
그림 Fig. 3. Creating local 3D model(Itaewon, Korea) using digital topographic map.
그림 Fig. 4. 3D modeling and photos of the Itaewon accident location.
그림 Fig. 5. Classification by purpose of cadastral map by areas.
그림 Fig. 6. Areas with high risk of crowd accidents (1. Itaewon station, 2. Jonggak station, 3. Hongik university club street).

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