Composite Behavior of Light Gauge Steel and Concrete Panels
A composite, flexural load-carrying system was developed by partially embedding light-gauge, cold-formed steel channel sections into a thin concrete slab. Various types of shear connection between the steel and concrete were developed and evaluated. The system consisted of 16-gauge cold formed steel channel sections embedded to a depth of 38 mm into a 64 mm thick concrete slab. The two sizes of steel channel investigated were 41 mm x 203 mm and 41 mm x 152 mm. Laboratory tests were performed to evaluate flexural behavior of composite panels under third-point transverse line-loading and under uniform lateral pressure. The shear transfer between the channels and concrete was investigated to determine how it affects the flexural behavior of the composite panels. Small-scale push-out tests were conducted to evaluate the longitudinal shear connections used in the composite panels.
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