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Friction Pendulum Seismic Isolation Bearing

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Friction Pendulum Seismic Isolation Bearing

Overview

Utilizing pendulum principle to extend structural vibration period for seismic isolation, the bearing dissipates seismic energy through sliding surface friction while featuring self-centering capability.


Scope of Applications

Ideal for long-span highway/railway box-girder bridges in high seismic zones. Available in two configurations：Single Curved Surface FPB/Double Curved Surface FPB

  • 100MN
    vertical load capacity
  • 400mm/s
    ultimate shear peak velocity

Features

  • Superior Performance and Self-Centering

    Excellent energy dissipation, Enhanced durability

  • Automatic post-earthquake repositioning

    Pendulum Isolation Mechanism, Components: Upper/lower bearing plates; Spherical crown; Sliding/rotational wear plates; Restraint system. Working Principle: The pendulum mechanism extends bridge vibration period, significantly reducing horizontal acceleration and shear force for effective seismic protection.

Compliance Standards

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