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Journal of the Korean Society of Hazard Mitigation 2012;12(4):155-162.
Published online August 31, 2012.
벽체 구조 내화성능 분류체계 설정을 위한 실험적 연구
최동호, 김대회
An Experimental Study on Establishment of Classification System of Fire Resistance Wall Structure
Dongho Choi, Daehoi Kim
Abstract
To minimize the damages under fire conditions in buildings, the main structural members of buildings shall be fire-resistance-rated structural members. The relevant authority specifies the prescriptive fire-resistance-rated structural members which have 3-hour fire rating equally without any classification in building laws at present unlike foreign countries. But, these prescriptive fire-resistance-rated structural members don`t properly reflect the recent construction materials and the technical development of methods of construction as a long time has passed. Consequently, it is needed to specify so that the fire resistance performance of structural members can be departmentalized according to the detail design and applied part and to improve the relevant system based on the test materials of fire-resistance-rated structural members economically and efficiently. This study was intended to give the fundamental materials that prescriptive fire-resistance-rated walls are departmentalized as each structure by evaluating the fire resistance performance of prescriptive fire-resistance-rated walls.
Key Words: Fire resistance rate; Fire resistance performance; Fire resistance rated wall; Establishment of classification system
요지
건축물은 화재시 그 피해를 최소화하기 위해 건축물 주요 구조부를 일정 수준의 내화구조로 시공하고 있다. 현재 국내에서는 이러한 주요 구조부의 내화성능을 정부에서 확인하여 인정한 법정 내화구조를 규정하고 있으나 외국에 비하여 내화성능 및 구조의 구분없이 일률적으로 내화성능을 규정하고 있으며, 이경우도 규정된 후 상당한 시일이 경과되어 최근에 적용되는 건축재료 및 공법기술을 적절히 수용하지 못하고 있는 실정이다. 이에 따라 현재의 법정내화구조에 대한 성능확인 등을 통한 내화성능을 재설정할 필요가 있으며, 이에 본 연구에서는 국내 법정내화구조중 벽체 구조를 대상으로 내화성능을 평가한 후 각 구조별로 법정내화구조를 세분화한 기초자료를 제시하였다.
핵심용어: 내화등급; 내화성능; 내화구조 벽체; 분류체계 설정


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