This book details the basic concepts and the design rules included in Eurocode 3 Design of steel structures Part 18 Design of joints . Joints in composite construction are also addressed through references to Eurocode 4 Design of composite steel and concrete structures Part 11 General rules and rules for buildings . Moreover the relevant UK National Annexes are also taken into account. Attention has to be duly paid to the joints when designing a steel or composite structure in terms