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Social Scienceper the attached figure:
a shear force of V=340 kN is applied to the box girder. determine the shear flow points at A and B.
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90 mm 90 mm 100 mm A 200 mm 190 mm В 200 mm 10 mm 180 mm 10 mm
Expert Answer
Consider the figure showing the cross-section of the structure (box). Here, the neutral axis is N.
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o-2m 0-2m 10 0
The moment of inertia of the cross-section section about the neutral axis is the difference between the moment of inertia related to outer dimensions and the inner dimensions.
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1 1-(0.2 m)(0.4 m)(0.18 m)(0.38 m) 12 12 0.2436x10 m4 =
The effective distance for the cross-section will be the sum 0.19 m and the half of the thickness of the boundary of the box. The effect...
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, (y)(4) (0.195 m)(0.01 m)(0. 19 m) 0.3705x103 m3 And -2(0.1 m)(0.2 m)(0.01 m)+ (0.195 m)(0.01 m)(0.18 m) 0.751 x10 m3
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