Multi-directional torsional hysteretic damper (MTHD)
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United States of America Patent
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May 14, 2013
Grant Date -
Mar 22, 2012
app pub date -
Feb 16, 2009
filing date -
Feb 16, 2009
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Abstract
The invention relates to seismic protection (anti-seismic) devices and, in particular, to seismic hysteretic dampers, used to protect the structures against severe earthquakes. These devices are installed at points where large displacements are expected due to earthquake shakings, such as between a bridge deck and bearing points of said bridge (e.g. the pier cap beam).
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