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This is assignment for Material and Structures course. To cover following points, Prof. Aparijita Singh assigned this task at Andhra University to engineering students: Bending, Moment, Inertia, Cross-sections, Beam, Cross-sections, Bending, Stiffness, EI, Steel, Aluminium, Dimensions, Thickness
Typology: Exercises
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Determine the bending moments of inertia (I z
y
yz
) for the following cross-
sections:
35 mm 35 mm
50 mm
5 mm 2.^
5 mm
50 mm
5 mm
z
5 mm
y
35 mm
5 mm
5 mm
35 mm
50 mm
5 mm
50 mm
5 mm
16.20 Home Assignment #8a Page 2
Fall, 2002
The following beam cross-sections are made from a combination of aluminum
(E = 10 Msi, ν = 0.30) and steel (E = 30 Msi, ν = 0.30). Determine the bending
stiffness, EI, about the y-axis for the following cases:
35 mm
35 mm
50 mm
steel
aluminum
steel
50 mm
steel
aluminum
5 mm
5 mm
5 mm
5 mm
5 mm
5 mm
z
5 mm
5 mm
y
steel
steel
5 mm
= aluminum 20 mm
5 mm
4 mm 4 mm 4 mm 4 mm 4 mm
5 mm 5 mm 5 mm 5 mm
