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1 INTRODUCTION Prefabricated construction systems, including precast concrete,1, 2 modular concrete,3-5 and mass timber systems,6 are increasingly being adopted. These systems typically rely on mechanical connectors to join prefabricated members and transfer forces across joints. Because the prefabricated members are often stiffer and stronger than the connections, lateral loading can lead to deformations that concentrate in and around the joints.
ABSTRACT This paper develops and evaluates the Rocking Tube Damper (RTD), a self-centering device that decouples restoring force from energy dissipation for seismic applications. A mechanics-based model is developed to predict the force – displacement response governed by preloaded Belleville spring washers and is validated through cyclic testing up to ±25 mm. Results demonstrate stable bilinear elastic rocking behavior with peak forces up to 35 kN.
Get full access to this article View all available purchase options and get full access to this article. Data Availability Statement Some or all data, models, or code that support the findings of this study are available from the corresponding author upon reasonable request. Acknowledgments The financial contribution of the University of British Columbia’s Okanagan campus through Campus as a Living Lab (CLL) is gratefully acknowledged.
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