The wooden section of the beam is reinforced with two
Chapter 6, Problem 6-125(choose chapter or problem)
The wooden section of the beam is reinforced with two steel plates as shown. Determine the maximum internal moment M that the beam can support if the allowable stresses for the wood and steel are \(\left(\sigma_{\text {allow }}\right)_{w}=6 \ \mathrm{MPa}\), and \(\left(\sigma_{\text {allow }}\right)_{s t}=150 \ \mathrm{MPa}\), respectively. Take \(E_{\mathrm{w}}=10 \ \mathrm{GPa}\) and \(E_{\mathrm{st}}=200 \ \mathrm{GPa}\).
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