Friction Pendulum Seismic Isolation Bearing

Friction Pendulum Seismic Isolation Bearings are advanced structural components
designed to reduce seismic impact on buildings and infrastructure by utilizing
the pendulum effect and controlled friction. These bearings consist of a
combination of spherical sliding surfaces, friction plates, guide devices, and
damping assemblies that work together to convert earthquake-induced kinetic
energy into heat through friction, while also allowing controlled horizontal
displacement and vertical load transfer. Their structural design includes upper
and lower bearing plates, stainless steel sliding interfaces, rubber sealing
rings, and a spherical pendulum mechanism that extends the natural vibration
period of a structure, thereby reducing acceleration and enhancing seismic
protection. Available in fixed (GD), one-way sliding (DX), and multi-
directional sliding (SX) types, Friction Pendulum Bearings accommodate various
movement demands and structural layouts. Key advantages include automatic re-
centering, reliable performance across different load conditions, and minimal
influence from environmental factors. These bearings are widely applied in
bridges, high-rise buildings, hospitals, museums, and other critical facilities
in seismic zones, ensuring long-term durability, energy dissipation, and
structural resilience during earthquakes.

Click to Enlarge