2.1 Introduction to describe fundamentals which have to be taken into account in the design of composite structures The fundamental objectives of structural design:to provide a structure which is safe and serviceable to use,economical to build and maintain,and which satisfactorily performs its intended function. All design rules,whatever the philosophy,aim to assist the designer to fulfill these basic requirements. 2.1 Introduction • to describe fundamentals which have to be taken into account in the design of composite structures • The fundamental objectives of structural design: to provide a structure which is safe and serviceable to use, economical to build and maintain, and which satisfactorily performs its intended function. • All design rules, whatever the philosophy, aim to assist the designer to fulfill these basic requirements