Abstract

In structural applications, beam is one of the most common structural members that have been considered in design. This paper is intended to provide tools that ensure better designing options for composite laminates of I -beam. In this Paper an analytical method & FEM approach calculating axial stiffness , Axial stress ,Axial strain of flange and web laminates. The results show the stacking sequence and fiber angle orientation strongly affects strength of composite I-beam. I. Indroduction :- A composite material or a compound is a mixture of two or more distinct constituents which remain independent at the macroscopic level when they become part of a structure. The main advantages for the use composite materials are high strength , high stiffness to weight ratio, long fatigue life, resistance to electrochemical corrosion, and other superior material properties of composites. Those advantages are why composite materials are used in many fields of industry. Composites are widely used in the automobile, aerospace, and athletics industry. Examples of composites include bumpers, wings, bicycle frames, and downhill skis. Combined with the low weight and high strength characteristics of composite materials, the ability to optimize a composite structure for a specific property is useful to a design engineer.

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