Bolted & Welded Connections
This chapter provides a comprehensive overview of bolted and welded connections in structural steelwork, detailing the types, design considerations, and applications of each connection method. It emphasizes the importance of proper design for ensuring safety and reliability under various loading conditions. By understanding the properties and behaviors of these connections, engineers can effectively create strong, enduring frameworks for various structures.
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What we have learnt
- Riveted connections are largely outdated due to labor intensity and the popularity of bolts and welds.
- Bolted connections can be bearing-type or friction-type and are preferred for their ease of installation.
- Welded connections offer strong and rigid joints, suitable for prefabrication using fillet and butt welds.
Key Concepts
- -- Riveted Connections
- Connections using cylindrical steel pins driven through pre-drilled holes, historically used but now rare.
- -- Bolted Connections
- Joints that use high-strength bolts to connect structural elements, preferred for their speed and ease of use.
- -- Welded Connections
- Connections made by fusing steel components together using heat, resulting in strong and rigid joints.
- -- Design Strengths
- The calculated strength in shear and bearing for bolt connections based on structural load requirements.
- -- Eccentrically Loaded Joints
- Joints where the load does not pass through the centroid, necessitating a more complex analysis.
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