Experimental Investigation of Deconstructable Steel-Concrete Shear Connections in Sustainable Composite Beams

A new deconstructable composite floor system, which consists of precast concrete planks and deconstructable clamping connections, is proposed to promote sustainable design of composite flooring systems in steel buildings and reuse of the structural components. This paper presents an experimental testing program to demonstrate the strength and ductility of the deconstructable connectors and the behavior of the structural floor framing system. Design recommendations are provided for the system, including recommendations for the use of clamped shear connections.

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