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Fire Sci. Eng. > Volume 29(6); 2015 > Article
Fire Science and Engineering 2015;29(6):76-83.
DOI: https://doi.org/10.7731/KIFSE.2015.29.6.076    Published online December 31, 2015.
X-선 분석법을 이용한 난연 EPS 샌드위치 패널의 화재성능평가 방법에 관한 연구
심지훈, 조남욱
1한국건설기술연구원
2한국건설기술연구원
Fire Performance Testing Method for Fire Retardant EPS Sandwich Panel Using X-ray Analysis
Shim Ji-Hun, Cho Nam-Wook
1Korea Institute of Civil Engineering and Building Technology (KICT)
2Korea Institute of Civil Engineering and Building Technology (KICT)
요약
EPS 샌드위치 패널은 난연제의 첨가로 화재 시 발화를 늦춰주며 발열을 적게 발생시켜 연소의 확대를 막는다. 하지만 난연성능 기준에 미달하는 샌드위치 패널을 사용할 경우, 재산 및 인명 피해가 확대되는 사례가 발생할 수 있다. 마감재료의 난연성능은 육안으로는 확인이 어려워 간편하면서도 빠른 평가방법의 개발이 요구된다. 본 연구에서는 X-선 분석법(XRF, XRD)을 이용하여 EPS 샌드위치 패널의 화재안전평가 방법에 대해 분석하였다. X-선 분석법을 적용한 결과 화재시험을 통한 난연 성능에 따라 특정 성분이 검출되는 것을 확인하였다. X-선 형광분석(XRF)을 통해 알루미늄성분이 부적합제품에 비해 적합제품에 훨씬 많이 함유되어있는 것을 알 수 있었다. X-선 회절분석(XRD)을 통해 난연 EPS의 주된 결정성 물질로 확인된 깁사이트(gibbsite)는 적합제품과 부적합제품에 공통으로 함유되어 있었지만 결정성에 있어 차이가 나는 것을 확인하였다. 이러한 X-선 분석을 통한 원소분석과 결정분석으로 난연성능 평가 가능성을 확인하였다.
Abstract
EPS sandwich panel contains flame retardants that slow down ignition during fires,reduce the amount of heat generated, and block the spread of combustion. However, if a sandwich panel does not satisfy standards for fire-retardant performance, it may increase damage to property and human life. It is difficult to test the fire-retardant performance of a finishing material with the naked eye, so it is necessary to develop convenient and fast evaluation methods that are convenient and fast. In this study, a fire safety evaluation method for EPS sandwich panel was analyzed using X-ray to detect specific components related to the fire-retardant performance X-ray fluorescence analysis (XRF) indicated that suitable panel products contained more aluminum in comparison to unsuitable products. Gibbsite was identified as the main crystalline material of flame retardant EPS through X-ray diffraction analysis (XRD) and was included in both suitable products and unsuitable products, but there was a difference in crystalline structure. This study was verifies the possibility of evaluating fire-retardant performance using ultimate analysis and crystal analysis through these X-ray methods.
Key Words: EPS, Sandwich panel, X-ray, XRF, XRD, Fire-retardant performance, Gibbsite


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