COMPOSITE BEHAVIOUR OF COLD‐FORMED STEEL ‐ TIMBER FLOORS
Abstract
Abstract This article investigates, experimentally, the structural performance of lightweight cold‐formed steel (CFS) ‐ timber board composite flooring systems. Fifteen full‐scale bending tests and twelve companion pushout connection tests were performed. The effect of connection detail (comprising self‐drilling screws with or without a structural adhesive) on structural performance is examined. The results of this research demonstrate that the use of a polyurethane adhesive, in conjunction with screws, leads to a significant increase in connection slip modulus and a higher degree of composite action in the floors, resulting in up to 40% increase in flexural stiffness, when compared to joists designed individually. The experimental results are then compared to predictions from relevant existing analytical models.
Reference
Samar Raffoul; Dimitrios Moutaftsis; Martin Heywood; Michael Rowell. (2019). COMPOSITE BEHAVIOUR OF COLD‐FORMED STEEL ‐ TIMBER FLOORS. ce/papers. https://doi.org/10.1002/cepa.1212
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