Static structures (e.g. – buildings) – Means compensating earth-transmitted force – Relative motion means between a structure and its foundation
Patent
1993-07-01
1995-09-26
Safavi, Michael
Static structures (e.g., buildings)
Means compensating earth-transmitted force
Relative motion means between a structure and its foundation
521677, 248567, 248595, E02D 2734
Patent
active
054525489
ABSTRACT:
The present invention is concerned with the improvement of bearings for use in supporting bridges or large-scale buildings. The invention comprises combining the advantages of a conventional metal bearings with synthetic rubber bearings to improve vertical resistance as well as horizontal and torsional rigidity under reciprocal seismic load. Relatively simple and inexpensive products are used to produce the invention.
The invention is formed with the multilayer pattern of having metal plates as a bearing unit and metal bars, located in the center of the bearing unit, which anchor the top and bottom bearing plates so as to limit horizontal displacement. It utilizes synthetic rubber for sealing bearing units to protect the metal bearing units from corrosion.
REFERENCES:
patent: 4188681 (1980-02-01), Tada et al.
patent: 4593502 (1986-06-01), Buckle
patent: 4633628 (1987-01-01), Mostaghel
patent: 4713917 (1987-12-01), Buckle et al.
patent: 5014474 (1991-05-01), Fyfe et al.
patent: 5201155 (1993-04-01), Shimoda et al.
Safavi Michael
Yavner Stanley J.
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