Seismic isolation sliding bearing for structure

Details Seismic isolation sliding bearing for structure Seismic isolation sliding bearing for structure

1997-05-29

1999-02-09

Kent, Christopher

Static structures (e.g., buildings)

Means compensating earth-transmitted force

Relative motion means between a structure and its foundation

521679, E02D 2734, E04H 902

Patent

active

058679510

ABSTRACT:
A seismic isolation sliding bearing for a structure, is made up of a dish 1 having a conical concave surface having a predetermined inclination or a spherical concave surface in its central portion, and a bearing element 2 in which the bearing element includes a base 3 whose portion for contact with the concave surface of the dish 1 is formed by a low-friction material, and a holder 6 which holds the base 3 so as to press it against the concave surface of the dish 1. The seismic isolation sliding bearing of the present invention neither resonates to the vibration period of any earthquake nor causes a large oscillation during a normal small vibration, but has a restoring force because of its structure which enables the bearing element to readily return to its original position after an earthquake ceases.

REFERENCES:
patent: 4644714 (1987-02-01), Zayas
patent: 4974378 (1990-12-01), Shustov
patent: 5071261 (1991-12-01), Stuve
patent: 5438807 (1995-08-01), Shustov

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