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3.4 Portal Frame Under Symmetric Loading Level of difficult : Easy Interactive Time Required : 20Min Discipline ; Structural Analysis Type ; Static Element Type ; BEAM188,BEAM189 Problem description 다음 그림과 같은 형의 프레임에 균일한 분포하중 가 작용한다 I . ω 최대 처짐각과 최대 굽힘 모멘트를 결정하시오 의 관성모멘트는 . , Span Columns 관성모멘트의 배이다 5 . Material Properties E=30e6 PSI =0.3 ν Geometric Properties a=400in L=800in I span =5I col I col =20,300in 4 I-Beam Section Data W1=W2=16.655in W3=36.74in t1=t2=1.68in t2=0.945in Loading =-500ib/in ω Target ANSYS Ratio Max. Rotation 0.19eE-2 0.212E-2 1.088 Max. Bending Moment 0.281E8 0.286E8 1.018 A B C D L=2a I = 5I 0 I = I 0 I = I 0 ω B D A C

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