Damper
Damper
Damper is designed to
dissipate seismic or dynamic energy on a structure.
Dampers work in tension
and compression. The dampers can reduce longitudinal and transverse or vertical
displacement of a deck. They can be installed, for example, longitudinally
between the deck and the abutment, or in transverse between the deck and the pier
structure.
Dampers can be
installed at different locations in a buildingfor brace isolation or base
isolation systems. Seismic energy is dissipated in the damper unit instead of
being dissipated in the concrete or steel structure.
Dampers can accommodate
transverse and longitudinal seismic displacement,and at the same time allow
longitudinal displacement such as creep shrinkage and thermal expansion or
contraction of the structure.
Viscous Damper
This is Viscous Damper .It absorbs earthequake energy using viscous resistive force at the time when
viscous fluid filled inside cylinder passes orifice and is used together with
elastic suport to secure elasticity restoring force, also absorbing energy with
resistive force of viscous fluid at the time of earthquake.
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