Summary
This chapter introduces the concept of stress and demonstrates how to determine stress distributions in structural members using statics. Topics covered include axial stress in two-force members, shear and bearing stresses in connections, and stress analysis on oblique sections. By using free-body diagrams and equilibrium equations, engineers can determine reaction forces, internal loads, and subsequent stress levels. Several design considerations such as the factor of safety, allowable load determination, and LRFD principles are discussed to ensure safe and economical design. The chapter emphasizes the importance of correlating the theoretical stress calculations with practical considerations in materials and design.