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Journal of Korean Institute of Fire Science and Engineering 2009;23(1):40-47.
Published online February 28, 2009.
내화도료 내구성 평가 방법 설정에 관한 연구
The Research for the Establishment of Test Method of Durability on Intumescent Coating System
Choi Dong-Ho
현재 철골부재의 내화성능 확보를 위해서 다양한 내화피복방법이 적용되고 있으며, 따라서 이중 하나가 내화도료 피복 시스템의 적용이다. 하지만 내화도료 시스템의 경우 시공후 시간경과에 따라 균열, 탈락 등에 의한 내구성 저하 및 이에 따른 내화성능 상실의 우려가 있으며, 이에 따라 건축 설계 및 시공 초기에 시간경과에 따른 내구성 변화를 파악하여 이에 대비할 수 있는 평가방법 및 유지관리 등에 대한고려가 필요하다. 이에 본 연구에서는 시간경과에 따른 내화도료의 내구성 평가 및 이에 대한 관리방안을 제시하기 위하여 영국을 비롯한 기타 국가의 관련 자료를 조사하여 국내에 적용할 수 있는 내화도료 내구성 평가방법 및 유지관리에 필요한 기초 자료를 제시하도록 하였다.
Applying fire resistive coating to steel members is one of the general methods to secure fire resistance performance of steel members. And intumescent coating system is currently one of methods giving fire resistance to steel members. Intumescent coating system for fire resistance, however, has undesirable weaknesses that fire resistance performance of steel members is being deteriorated due to cracks and falling-offs of the coverings as time goes after completion of the coverings to the members. So it is necessary to understand changes of the durability and the fire resistance performance of intumescent coating system over a time elapse and to reflect such change properly into the building design and construction. This research is performed to present the test method of durability and the maintenance of intumescent coating system through theoretical investigation of the test method of durability and the guide of maintenance & management of intumescent coating system of several countries, including the Britain, United States, Japan.
Key Words: Intumescent coating system, Durability, Maintenance & Management
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