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내화피복재를 도포한 고강도 콘크리트 부재의 온도이력 평가
민충식 ( Min Choong-sic ),김규용 ( Kim Gyu-yong ),미야우치히로유키 ( Miyauchi-hiroyuki ),이태규 ( Lee Tae-gyu ),이광준 ( Lee Gwang-jun ) 한국구조물진단유지관리공학회 2010 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.14 No.1
In this study, We calculate that optimum thickness of coating is 2.8~3.5mm measured results in preliminary experiments with small specimens. Which in the member of short collum by applying, compares with member of short collum mixed with fibers' results and evaluation of fire resistance. Thickness of coating 2.8mm member occurred spalling within lhour, Temperature history of 3.5mm member is 100°C lower than mixed with fibers. However, we found Spalling phenomena at corner of member, and suggest that prevent Spalling a minimum thickness of coating that offers more than 3.5mm.