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A Study on Fire Performance Evaluation of EIFS on Anti-Flaming Finish by Cone Calorimeter Test

콘칼로리미터에 의한 외단열시스템의 방염 화재성능평가를 위한 연구

  • Min, Se-Hong (Dept. of Fire & Disaster Protection Engineering, Gachon Univ.) ;
  • Sun, Ju-Seok (Dept. of Fire & Disaster Protection Engineering, Graduate School Environment & Design, Gachon Univ.) ;
  • Kim, Sang-Chul (Korea Conformity Laboratories) ;
  • Choi, Yong-Mook (Korea Conformity Laboratories) ;
  • Lee, Seok-Ki (Korea Quality Testing Institute)
  • 민세홍 (가천대학교 공과대학 소방방재공학과) ;
  • 선주석 (가천대학교 환경.디자인대학원 소방방재공학과) ;
  • 김상철 (한국건설생활환경시험연구원) ;
  • 최용묵 (한국건설생활환경시험연구원) ;
  • 이석기 (한국품질시험원)
  • Received : 2012.05.14
  • Accepted : 2012.06.08
  • Published : 2012.06.30

Abstract

In this study, EIFS (Exterior insulation finish system) of exterior cladding was applied Cone calorimeter test to confirm the effect of flame retardant. As a results, the initial ignition points in accordance with the coated form and concentration of the flame retardant was delayed. But flame resistant treatment of EIFS cladding to control the fire will not affect confirmed that. In addition, EIFS that uses high-density and low-density due to difference in the density of the impact of the fire was no difference. The exterior of the ignition experiment occurred before and after 40 seconds, heat release rate to 100 seconds appears to occur about 90 % compared with the other exterior wall materials, the initial fire spread very fast was confirmed. EIFS cladding in order to prevent the spread of fire in the application of EIFS legally use is limited by the use of the building. And flame spread can be prevented, such as a vertical outer wall compartment measures are urgently needed.

본 연구에서는, 건축 외장재로 많이 사용되고 있는 외단열시스템에 대해 방염 효과를 확인하기 위하여 콘칼로리미터 실험을 적용하였다. 실험 결과, 방염제의 도포 형태나 농도에 따라 초기 착화 시점을 지연하는데 효과가 있었으나, 외벽 수직화재 발생 시 외단열시스템의 방염처리는 화재에 영향을 미치지 못할 것이라는 것을 확인하였다. 또한, 외단열시스템에 사용하는 고밀도와 저밀도 스티로폼의 밀도차에 의한 화재에 미치는 영향은 차이가 없음을 확인하였다. 실험 시 외장재의 착화는 40초 전후로 발생하였으며, 방출열량도 100초 이내에 약 90 %가 발생하는 것으로 나타나 다른 외벽재료와 비교하여 초기 화재 확산이 매우 빠름을 알 수 있었다. 외단열시스템 외장재 화재로 인한 화재 확산을 방지하기 위해서는 법적으로 외단열시스템의 적용 시 건물의 용도별로 사용을 제한하거나 화염전파를 차단할 수 있는 수직외벽 구획 등의 대책이 시급히 요구된다.

Keywords

References

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