Applied Chemistry for Engineering (공업화학)

The Korean Society of Industrial and Engineering Chemistry (한국공업화학회)
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Evaluation of Smoke Risk and Smoke Risk Rating for Combustible Substances from Fire

화재로부터 연소성 물질에 대한 연기위험성 및 연기위험성 등급 평가

  • Chung, Yeong-Jin (Department of Fire Protection Engineering, Kangwon National University) ;
  • Jin, Eui (Fire & Disaster Prevention Research Center, Kangwon National University) ;
  • You, Ji Sun (Fire & Disaster Prevention Research Center, Kangwon National University)
  • 정영진 (강원대학교 소방방재공학과) ;
  • 진의 (강원대학교 소방방재연구센터) ;
  • 유지선 (강원대학교 소방방재연구센터)
  • Received : 2021.03.09
  • Accepted : 2021.03.26
  • Published : 2021.04.10
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Abstract

This study investigated the smoke risk assessment of woods and plastics for construction materials, focusing on the smoke performance index-V (SPI-V), smoke growth index-V (SGI-V), and smoke risk index-VI (SRI-VI) according to a newly designed methodology. Spruce, Lauan, polymethylmethacrylate (PMMA), and polycarbonate (PC) were used for test pieces. Smoke characteristics of the materials were measured using a cone calorimeter (ISO 5660-1) equipment. The smoke performance index-V calculated after the combustion reaction was found to be 1.0 to 3.4 based on PMMA. Smoke risk by smoke performance index-V was increased in the order of PC, Spruce, Lauan and PMMA. Lauan and PMMA showed similar values. The smoke growth index-V was found to be 1.0 to 9.2 based on PMMA. Smoke risk by smoke growth index-V increased in the order of PMMA, PC, Spruce, and Lauan. COpeak production rates of all specimens were measured between 0.0021 to 0.0067 g/s. In conclusion, materials with a low smoke performance index-V and a high smoke growth index-V cause a high smoke risk from fire. Therefore, it is understood that the smoke risk from fire is high. It is collectively summarized by the smoke risk index-VI.

본 연구는 건축용 자재인 목재 및 플라스틱의 연기 위험성 평가에 대하여 새로 고안된 연기성능지수-V (smoke performance index-V, SPI-V), 연기성장지수-V (smoke growth index-V, SGI-V), 연기위험성지수-VI (smoke risk index-VI, SRI-VI)를 중심으로 조사하였다. 시험편은 가문비나무, 나왕, polymethylmethacrylate (PMMA), polycarbonate (PC)를 사용하였다. 연기 특성은 콘칼로리미터(ISO 5660-1) 장비를 사용하여 시험편에 대하여 측정하였다. 연소반응 후 측정된 연기성능지수-V는 PMMA를 기준으로 1.0~3.4로 나타났다. 연기성능지수-V에 의한 연기위험성은 PC, 가문비나무, 나왕과 PMMA 순서로 증가하였다. 나왕과 PMMA는 유사한 값으로 나타났다. 연기성장지수-V는 PMMA를 기준으로 1.0~9.2로 나타났다. 연기성장지수-V에 의한 연기위험성은 PMMA, PC, 가문비나무, 나왕의 순서로 증가하였다. 모든 시편의 CO 피크 발생속도는 0.0021~0.0067 g/s로 측정되었다. 결론적으로 연소가 용이한 물질은 연기성능지수-V가 낮고, 연기성장지수-V가 높기 때문에 화재로 인한 연기위험성이 높은 것으로 이해된다. 이는 총괄적으로 연기위험성지수-VI로 정리된다.

Keywords

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