Theoretical basis of european normative documents for design of composite structures and principles of design of load-carrying elements, members and structural systems and their connections according to these rules. Principles of static and structural design of composite structures combined of various materials. Design of composite structures - design assumptions and design procedures. Design resistance of composite structures. Compression members. Flexural members. Combination of loading actions. Fatigue. Fire resistance of composite (mainly steel-concrete) structures. Application of composite steel-concrete elements and members in civil engineering structures.