A cast iron 3m long is completely filled with concrete and used as a vertical strut. If the external diameter of the tube is 450mm and the wall is 35mm thick, determine the maximum compressive load the composite strut can support if the stress in the concrete is not 2N/mm2? By how much should the strut shorten under this load? For cast iron EA= 100GN/m2 and for the concrete EB= 10GN/m2?

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Composite Construction

Composite construction is the construction of structures in which two or more materials are used. Regarding structural engineering, composite construction is a construction where two materials are bound together in a technical manner such that both the materials act as a single unit to carry and transfer the load. The motives of composite construction are to increase the structural strength, make structures more aesthetic, and provide a sustainable environment.