Selection a cross-section of column on building construction needs to keep on a constant review to flexural buckling. The flexural buckling of column affects construction behavior overall. The aim of this study is comparing open and close of a cross-section column profile against flexural buckling. The hollow and pipe are representing close cross-sectional column profiles while I and T profiles are other represent. All profiles used the same material and properties, 400 Mpa of tensile strength and 740 mm2 area of cross-sectional. The high of column was 24 m which, both ends be fixed. Load Resistance Factor Design (LRFD)- SNI 1729:2015 method was applied to analyze the flexural buckling. The T profile was a control to determine percentage of column slender other profiles. The result showed that the slender was 53.43%, 75.57%, and 86.67% for hollow, pipe, and I respectively to T profile. The study indicates that the high column and inertia of cross-sectional were important role in flexural buckling failure.
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