Structural steel connections — bolting, pretension and erection
The difference between a bearing connection and a slip-critical one, what pretension actually does and why it needs hardened washers, how a tension control bolt tells you it is done, why slotted holes exist and what they must not be used for, and what to check before a crane lifts anything.
Civil & StructuralIntermediateAWS D1.1ASTM F3125+2