Solved: The wide-flange section is reinforced with two
Chapter 6, Problem 6-133(choose chapter or problem)
The wide-flange section is reinforced with two wooden boards as shown. If the steel and wood have an allowable bending stress of \(\left(\sigma_{\text {allow }}\right)_{s t}=150 \ \mathrm{MPa}\) and \(\left(\sigma_{\text {allow }}\right)_{w}=6 \ \mathrm{MPa}\), determine the maximum allowable internal moment M that can be applied to the beam. Take \(E_{w}=10 \ \mathrm{GPa}\) and \(E_{\mathrm{st}}=200 \ \mathrm{GPa}\).
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