Composite Timber Floor Testing At Oregon State University: Timber Tower Research Project

This report summarizes the results of the SOM-led testing program at Oregon State University. The testing program investigated composite timber and concrete floor systems for use in high-rise buildings. The testing and report build on the major findings from the initial Timber Tower Research Project and Gravity Framing System report.

The purpose of the testing program was to research cross-laminated timber (CLT) floor systems with a composite concrete topping slab that improves the structural, acoustic, and fire performance of the floor system. The program researched key behaviors of timber-concrete floor systems, including the effectiveness of composite action, two-way bending stiffness, and continuous beam behavior. The program consisted…

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