Page 27 - DOUCE HYDRO 2013

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Base isolation
Application on individual
buildings
Working Principle:
The base isolation is a solution to protect individual or small buildings.
This system is a combination using isolators (Elastomeric plot) and dampers.
The isolators reduce the force but increase the displacements.The dampers reduce
the displacements by dissipating the energy. With this combination, the building
structure is protected. The force and displacement transmitted at the foundation
are reduced.
Dampers
Isolators
Impact of the base isolation
on response spectra
Decrease of the
acceleration Isolator Reduce the rigidity
Dampers Dissipate energy
Without Dampers, the displacement are too high Dampers allow to reduce displacement
with Dampers
without Dampers