Abstract

지하공간 건축물의 피난공간확보는 인명안전설계의 첫 단계로서 이를 위한 선큰설치 기준은 피난안전기준의 제도적 선진화를 위한 매우 중요한 규정으로 볼 수 있다. 본 연구에서는 현재 적용되는 고층 건축물의 선큰의 제도적 접근을 위하여 사례 분석을 통하여 검토하였다. 연구 결과, 현재 초고층 특별법은 설치면적과 출구 폭이 중점적인 내용으로 정의되며 선큰이 피난공간에 비해 약 2.8배에서 26배까지 많은 면적이 요구되나 선큰으로의 도달하는 피난시간은 출구 폭에 따라 약 20~30%의 차이를 보이는 것으로 나타났다. To achieve required safe escape time is first step in a performance based egress design of underground multiple occupancy buildings. A sunken space as a refuge area in a current code expects a meaningful role for achieving life safety design in this kind of crowded facilities. In this study, comparison and analysis of egress time between sunken space and escape stairwell was performed to review egress capacity. Egress Modeling results show that the movement time from ignition to escape into sunken space applying to minimum required area and exit width is shorter than 20~30% than that of stairs, so demonstrate this code can be adopted as a effective and practical egress design alternative.

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