Static structures (e.g. – buildings) – Means compensating earth-transmitted force – Relative motion means between a structure and its foundation
Patent
1997-08-19
2000-07-11
Canfield, Robert
Static structures (e.g., buildings)
Means compensating earth-transmitted force
Relative motion means between a structure and its foundation
521671, 521677, 521678, 521679, E04H 902, E04B 136, E04B 198
Patent
active
060854715
ABSTRACT:
An earthquake shock damper particularly suitable for use in load bearing columns or pillars, such as columns or pillars which are used to support bridges, elevated highways, or large structures. The damper improves structure's earthquake resistance, by reducing the magnitude of damage to the structure, by isolating and lowering the earthquake frequencies transmitted to a structure, by reducing the forces and accelerations imposed on the structure, and by reducing the horizontal and vertical displacement inflicted on the structure. This damper consists of a female receptacle, a male plug set within the female receptacle but generally separated from the female receptacle by a relativity flexible shock insert completely or partially filling the gap between the male plug and the female receptacle.
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Canfield Robert
Hathaway Todd N.
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