Abstract
복합자재(샌드위치패널)는 불연성재료인 양면 철판 또는 이와 유사한 재료와 불연성이 아닌 재료인 심재로 구성된다. 단열재를 가연성 재료로 사용하는 샌드위치패널은 화재 시 철판 내부로 화염이 확산되어 외부에서 진화가 어렵고 화염의 확산이 빠르게 진행되어 건물의 붕괴를 야기할 수 있다. 현행 건축법에 의해 샌드위치패널은 건축물의 용도 및 규모에 따라 난연성능을 확보하도록 하고 있다. 본 연구에서는 일부 외벽에 적용되는 화재확산방지구조를 복합자재에 적용하여 실제 규모의 화재시험을 통해 그 효과를 측정하였으며 향후 복합자재에서도 화재확산방지구조의 적용을 통해 복합자재 건축물의 화재안전 확보 가능성을 제시하였다. Multi-layered material (sandwich panel) consists of double-sided steel plate which is incombustible material or similar material and core material which is not incombustible material. In case of sandwich panel which uses combustible material as insulation, flames spread inside the steel plate at the time of fire so that it is difficult to extinguish fire from the outside and flames spread rapidly and may cause the building to collapse. The current Building Act requires the sandwich panel to secure fire-retardant performance according to the purpose and size of building. In this study, the fire spreading prevention structure applied to partial exterior walls was applied to multi-layered material and its effect was measured through full scale fire test and the possibility to secure fire safety of buildings by applying the fire spreading prevention structure to multi-layered material in future was presented.
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