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Home Vibration and Earthquake Isolation Earthquake-resistant-architectural-system

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 Earthquake-resistant architectural system

Details
Inventors: Cunningham, John;
Assignee:
Primary Examiner: Ramirez; Ramon O.
Assistant Examiner:
Attorney, Agent or Firm: Scafetta, Jr.; Joseph

An earthquake-resistant architectural system incorporates a number of homeostatic devices which offer increasing, instead of decreasing, resistance to a load and its resulting stresses. A common feature of the improvement is that support posts are topped by bearings facing each other and having grooved channels which are inclined at an angle to the longitudinal axis of each resilient transverse member at rest, so that a horizontal distance, when measured in a straight line between opposite points of contact in the grooved channels, decreases as the load increases and bends each resilient transverse member.

DETAILED DESCRIPTION An architectural system is made resistant to the loads and stresses induced by strong earthquakes by incorporating a number of homeostatic devices which offer increasing, instead of decreasing, resistance to such forces.
The earthquake-resistant architectural system is characterized by support posts that are topped by bearings facing each other and having grooved channels which are inclined at an angle to the longitudinal axis of each resilient transverse member at rest, so that the distance between opposite points of contact in each grooved channel decreases as the load increases and flexes each resilient transverse member.
Thus, it is a primary object of the invention to construct an architectural system which protects against the effects of violent earthquakes.
It is a secondary object of the invention to provide efficient, economical and practical shock-absorbing transverse members on support posts.
It is a tertiary object of the invention to incorporate bearings which cause the resilient transverse members to offer increasing resistance as they bend in response to the shocks of earthquakes.
It is another object to build homeostatic devices which resist failure as the critical angle decreases below 25 degrees due to ever increasing applied forces.
It is an additional object to design static structures and supports which offer increasing resistance to further bending of its transverse members as the critical angle decreases below 25 degrees.
It is a further object to provide grooved channels which are inclined at an angle to the longitudinal axis of each resilient transverse member so that the supported length between two bearing points for each member is shortened as the member flexes, thus causing the member to grow increasingly resistant to further bending as the applied load increases.
It is also an object to construct rigid bearings which may be either bonded, cast, bolted, embedded or otherwise attached on top of vertical support posts, thus forming bearing points at or near ends of each resilient transverse member



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