Question: For the braced beam - column shown, the loads and moments were obtained using the requirements of the Direct Analysis Method. If the first -

For the braced beam-column shown, the loads and moments were obtained using the requirements of the Direct Analysis Method. If the first-order moments shown are about the x-axis, select the lightest W8(50ksi steel).Assume Cb=1.0. Use the equivalent axial load method to estimate the Lightest section then, use the LRFD approximate second order analysis method to check if the section is satisfactory or not.
For the braced beam - column shown, the loads and

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