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Fire Damaged Behavior of Real Sized Normal Strength RC Columns
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 Title & Authors
Fire Damaged Behavior of Real Sized Normal Strength RC Columns
Lee, Cha-Don; Shin, Yeong-Soo; Hong, Sung-Gul; Lee, Kyung-Ku; Lee, Seung-Whan;
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 Abstract
Experiments were performed for the real sized 12 reinforced concrete columns of 3503503350 mm with normal concrete in order to observe the fire-damaged behavior of these columns. Columns were heated according to the ISO heating curve. Main experimental parameters were: magnitude of axial load, heating time, cover thickness, and eccentricity. Effects of these parameters on the axial expansion and contraction, rotation, buckling, ISO fire resistance, and structural stability were experimentally quantified. It has been observed that the contraction rate of axial deformation was affected mostly by the duration of heating time and buckling of reinforcement or member by the magnitude of axial load, duration of heating time, cover thickness and eccentricity in order. Based on the experimental observations, ISO fire resistance criteria were qualiatively criticized.
 Keywords
experiments;reinforced concretes columns;heating time;ISO fire resistance;
 Language
Korean
 Cited by
1.
화재에 노출된 철근콘크리트 기둥의 수치해석적 열전달 모델,이차돈;신영수;이승환;이창은;

한국콘크리트학회논문집, 2005. vol.17. 6, pp.871-878 crossref(new window)
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