고체역학 (Gere) — Axially Loaded Members: Problem 2.6-22

2.6-22 A compression bar having a square cross section with sides \(b = 50 \text{ mm}\) is subjected to load \(P\). The bar is constructed from two pieces of wood that are connected by a glued joint along plane \(pq\) that is inclined at angle \(\alpha = 35^\circ\). The allowable stress in the wood in compression is \(11.5 \text{ MPa}\) and in shear is \(4.5 \text{ MPa}\). Also, the allowable stress in the glued joint in compression is \(3.5 \text{ MPa}\) and in shear is \(1.25 \text{ MPa}\). Determine the maximum load \(P\) that can be applied to the bar.