A plastic beam has a cross section with dimensions of a = 4.1 in., b= 14.4 in., d= 8.2 in., and t= 1.1 in. The centroid is locatedc= 3.464 in. above the bottom surface of the beam, and the moment of inertia of the shape about thez centroidal axis is !, = 340.004 in.4. For a shear force of V = 255O Ib, what is the maximum shear stress in the beam? a a t (typ.) Answer: Tmax= i psi

Structural Analysis
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Chapter2: Loads On Structures
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A plastic beam has a cross section with dimensions of a = 4.1 in., b= 14.4 in., d = 8.2 in., and t= 1.1 in. The centroid is located c = 3.464 in.
above the bottom surface of the beam, and the moment of inertia of the shape about the z centroidal axis is I, = 340.004 in.4. For a shear
force of V = 2550lb, what is the maximum shear stress in the bearn?
y
a
1 (tуp.)
Answer:
Tmax=
i
psi
Transcribed Image Text:A plastic beam has a cross section with dimensions of a = 4.1 in., b= 14.4 in., d = 8.2 in., and t= 1.1 in. The centroid is located c = 3.464 in. above the bottom surface of the beam, and the moment of inertia of the shape about the z centroidal axis is I, = 340.004 in.4. For a shear force of V = 2550lb, what is the maximum shear stress in the bearn? y a 1 (tуp.) Answer: Tmax= i psi
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