Energy absorbers

Details Energy absorbers Energy absorbers

1985-01-24

1986-06-10

Friedman, Carl D.

Static structures (e.g., buildings)

Means compensating earth-transmitted force

Relative motion means between a structure and its foundation

52573, E04B 198

Patent

active

045935025

ABSTRACT:
A cyclic shear energy absorber for absorbing energy due to induced motion between two members by plastic cyclical deformation of a central energy absorber core. The core is surrounded by a restraining device having a rectangular cross section. Layers of the inner walls are separated by layers of resilient material. The restraining element is confined in a cylindrical aperture formed in a resilient support having alternately arranged resilient layers and stiffener layers. The absorber is confined between two end plates capable of being coupled to associated structural members, such as a bridge support column and a base.

REFERENCES:
patent: 4117637 (1978-10-01), Robinson

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