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Strength of Materials by V. Ramasamy, P. Purushothama Raj

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5.3 COMPOSITE BEAMS OR FLITCHED BEAMS

When a beam is made up of more than one material, then it is known as a composite beam. An RCC beam can be considered as a composite beam since it is made up of concrete and steel.

Similarly, wooden beam reinforced with steel strips or flitter form composite beams. Composite beams having flitched sections are known as flitched beams. Flitched section are stronger than pure wooden beams of same dimensions and are also economical. The reinforcing material should have a modulus of elasticity greater than that of the reinforced material. The steel plates are bolted or screwed to the timber beams. The connection is made perfectly such that there is no slipping between them. The composite beam behaves like a single ...

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