Friction pendulum bearing

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FPB [1] shake-table testing, Berkeley, CA.

Friction Pendulum Bearing (FPB) is another name of Friction Pendulum System (FPS). It is based on three pillars[2]:

  • articulated friction slider;
  • spherical concave sliding surface;
  • enclosing cylinder for lateral displacement restraint.

Snapshot with the link to video clip of a shake-table testing of FPB system supporting a rigid building model is presented at the right.


  2. Zayas, Victor A.; et al. (1990). A Simple Pendulum Technique for Achieving Seismic Isolation. Earthquake Spectra. pp. 317, Vol.6, No.2. ISBN 0087552930. Explicit use of et al. in: |author= (help)