Static structures (e.g. – buildings) – Means compensating earth-transmitted force – Relative motion means between a structure and its foundation
Patent
1990-08-03
1992-11-17
Ridgill, Jr., James L.
Static structures (e.g., buildings)
Means compensating earth-transmitted force
Relative motion means between a structure and its foundation
52573, E04B 198
Patent
active
051632560
ABSTRACT:
An elasto-plastic damper to protect a building from destructive impact of seismic tremors and/or high winds. The damper is a cylindrical shaft with a constricted waist portion adapted to yield uniformly throughout its length to an external force from any direction in a plane perpendicular to the longitudinal axis of the waist portion. This elasto-plastic deformation of the damper dissipates the energy of seismic and/or wind impact throughout its range of elastic deformation. The ends of the damper are threaded to facilitate threaded fastener engagement with structural and non-structural members of building.
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Amana Akihiko
Fukumoto Toshiyuki
Fukuzawa Eiji
Maeda Yoshikazu
Tanaka Naoki
Kajima Corporation
Ridgill, Jr. James L.
Tilberry James H.
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