Abstract
The behavior is examined of composite beams consisting of a concrete slab attached to a steel beam by a shear connection. The effects of interface slip due to the flexibility of the connectors are included, as are the effects of residual stress and nonlinearity in the mechanical properties of the steel and concrete. Elastic methods of analysis are reviewed with the object of assessing the errors introduced by the conventional T-beam assumption. Comparisons are made with test reults on beams having adequate or inadequate shear connections, and having the relatively high width to span ratio of 0.35. In the nonlinear range, it was found that the combined effects of slip and residual stress were significant and could raise deflections by as much as 100%.
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