Composite Construction
When a concrete slab is supported by steel beams and there is no provision for shear transfer between the two , the result is a non-composite section .
A great strengthening effect can be obtained by tying the two together to act as a unit in resisting loads steel beams and concrete slabs blind together compositely can often support a 1/3 or even greater increase in load than could steel beams alone in non-composite action.
Advantages of composite Constructions
saving in steel
Increase in the stiffness , smaller deflections
Increased overload capacity of a floor
Reduction of depth of members
saving in fire proofing costs for the beams
The disadvantages for it is the coast of furnishing and installing the shear connectors
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