Fire Science and Engineering (한국화재소방학회논문지)

Korean Institute of Fire Science and Engineering (한국화재소방학회)
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A Study on Fire Risk of Apartment House with Pilotis Structure - Focused on the Fire case of Uijeongbu-si Urban Livig Homes -

필로티 구조의 공동주택 화재 위험성 연구 - 의정부 대봉그린 도시형아파트 화재 사례를 중심으로 -

  • Choi, Seung-Bok (Dept. of Fire Investigation Team of Gyeonggibukbu Provincial Police Agency) ;
  • Choi, Don-Mook (Dept. of Building Equipment System & Fire Protection Eng. Gachon Univ.)
  • 최승복 (경기북부지방경찰청 과학수사계) ;
  • 최돈묵 (가천대학교 설비.소방공학과)
  • Received : 2016.05.18
  • Accepted : 2016.06.15
  • Published : 2016.06.30
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Abstract

Pilotis are support columns that lift a building above the ground. Thus, they can elevate the lowest floor to the secondfloor level and, in Korea, are used to leav a parking area below multifamily housing. However, if there is a fire in the piloti area, the cars and main entrance door are wrapped in flames. Due to the inflammability of the materials, the combustion of the cars and insulation at the ceiling of the pilotis, having a high heat release rate, can quickly destroy the front entrance of the building and spread heat, flames and a poisonous gas to the stairs and elevator pit. Therefore, the fire can quickly spread to the whole building, putting the lives of the residents in danger. This study was an in-depth accidental case study of the "Uijeongbu Fire Accident" that killed 5 residents and injured 139 others. The study identified the relationships between the fire at the piloti structure of multifamily housing and the vulnerability of this structure and its inherent weaknesses.

대부분 필로티 구조 건물은 필로티를 통해야만 출입이 가능한 구조이고 주차장으로 사용할 경우 차량이 연쇄적으로 소훼되면서 짧은 시간에 필로티 전체로 확산된다. 연소 하중이 높은 차량과 천장 단열재에서 생성된 뜨거운 열기와 유독가스는 출입문을 파손시키고 건물내부로 유입되어 계단과 승강기 그리고 전선이 지나가는 피트(EPS)와 같은 경로를 통해 건물 상층으로 확대된다. 필로티에서 화재가 발생할 위험성은 다양하다. 만약 이곳에서 화재가 발생할 경우 입주민들은 건물에 갇혀 생존에 위협을 받을 수밖에 없다. 본 연구는 필로티에서 화재가 발생하여 5명이 사망하고 139명의 다친 의정부 아파트 화재 사례를 살펴보고 필로티 구조의 건물의 화재 취약성을 분석하였다.

Keywords

References

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