The design principles of Ductility Composite structural systems class composite shear walls are a H M included in specific codes- design of composite steel and concrete structures and u in provisions regarding the 41 Type 1 Type 2 design of buildings for Steel or composite Concrete walls re- moment frame with inforced by con- connected concrete nected encased ver- earthquake resistance. infill panels tical steel sections. Three types of composite Type 3 Composite or structural systems are concrete walls coupled u by steel or a defined (earthquake composite beams resistance)in Eurocode 8 Composite steel plate shear walls u =12 Qu part 7.10.(Type 2) a Figure 1.Design concepts and behavior factors. Figure 1. Design concepts and behavior factors. • The design principles of composite shear walls are included in specific codes￾design of composite steel and concrete structures and in provisions regarding the design of buildings for earthquake resistance. • Three types of composite structural systems are defined (earthquake resistance) in Eurocode 8 part 7.10 . (Type 2)