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Journal of the Korean Society of Hazard Mitigation 2015;15(6):109-117.
Published online December 30, 2015.
도심지의 지상 및 지하공간 침수해석연구
최지혁, 황성환, 김종석, 문영일
Inundation Analysis of Ground and Underground Spaces in Urban Areas
Ji Hyeok Choi, Sung Hwan Hwang, Jong Suk Kim, Young Il Moon
Abstract
As the population is concentrated in a city, the number of complex buildings such as skyscrapers and underground facilities has increased. Moreover, complicated underground spaces with multi-story, not one-story have been increasingly used. Therefore, it is urgent to analyze underground flooding and make a plan for prevention from the flooding. For this reason, this study set an expected height of underground flooding from the inflow water toward underground with a study target of underground complex buildings with crowded underground stores and parking lots. In addition, through flooding analysis on scenarios, this study suggested proper capacity for the storage and pump facilities. Moreover, this study conducted a comprehensive analysis on flooding process and depth on scenarios to suggest a standard for flooding prevention by building types when designing an underground complex building.
Key Words: Complex Building; Underground Flooding Analysis; Flooding Prevention
요지
인구의 도시집중에 따라 초고층 및 지하연계 시설물 등 복합건축물의 건축비율이 증가되고 있으며, 복층구조의 지하공간 활용이 늘어나고 있어 지하공간 침수해석에 따른 방제대책들의 수립이 시급한 실정이다. 따라서 본 연구에서는 지하상가 및 지하주차장 등과 같은 구조를 갖는 지하복합건축물을 대상으로 지상공간에서 지하공간으로 유입되는 유량에 대한 지하공간 예상 침수심을 결정하고, 시나리오별 침수해석을 통해 건물 내 적정한 저류시설 및 펌프시설 용량을 제시하였다. 또한, 침수과정 및 침수심 등을 고려한 종합적 분석을 통하여 지하복합 건축물 설계 시 유형별 침수방지를 위한 기준을 제시하였다.
핵심용어: 지하복합건축물; 지하공간 침수해석; 침수방지대책


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