Presented in this paper is the detailed mechanical characteristic of the multiple direction optimized-friction pendulum system. Based on the equilibrium equations, mathematical formulations describing the sliding motions of the multiple direction optimized-friction pendulum system have been derived. The mechanical behavior of the multiple DO-FPS isolation system under cyclic loadings has been investigated. The parametrical study for the multiple DO-FPS isolation bearing has also been carried out to realize its various characteristics under different parameters. It is demonstrated that the natural period and damping effect of the multiple DO-FPS isolator are a function of the sliding direction, displacement and coefficient of friction.
Mechanical Characteristic of Multiple Direction Optimized-Friction Pendulum System
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Tsai, CS, Lin, Y, & Su, HC. "Mechanical Characteristic of Multiple Direction Optimized-Friction Pendulum System." Proceedings of the ASME 2009 Pressure Vessels and Piping Conference. Volume 8: Seismic Engineering. Prague, Czech Republic. July 26–30, 2009. pp. 189-198. ASME. https://doi.org/10.1115/PVP2009-77441
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