Permanent Shear Strain in Bolt | Lap Joint Problem (150 kip) | Shear Stress-Strain Explained
In this video, we solve a mechanics of materials problem involving a lap joint connected by a 1.25-inch diameter bolt. The bolt material follows a shear stress–strain diagram, and we determine the permanent shear strain after unloading when subjected to a force of 150 kip. 🔍 What you’ll learn in this video: How to calculate shear stress in a bolt Interpreting a shear stress–strain diagram Understanding elastic vs plastic deformation Step-by-step method to find permanent shear strain Real-world applications in bolted connections and structural design 📘 This problem is highly relevant for: Mechanics of Materials students FE Exam preparation Civil & Mechanical Engineering courses 🧠 Key Concepts Covered Shear stress: 𝜏 = 𝑃/𝐴 Elastic and plastic regions Yield point in shear Unloading behavior and residual strain Permanent deformation in bolts 👉 Support the channel: Become a member to help me create more high-quality tutorials: / @mathphysicsengage
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