Question: 8. Select the lightest W shape that will act as a column 12 m long with fixed ends and support an axial load of

8. Select the lightest W shape that will act as a column

8. Select the lightest W shape that will act as a column 12 m long with fixed ends and support an axial load of 700 kN with a factor of safety of 2. Assume that the proportional limit is 200 MPa and E = 200 GPa.

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