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Seismic isolation of hospitals

Seismic isolation of hospitals and medical centers in Kazakhstan: Safetyinside bearings selected from the structural model, support for the designer and supply. The goal is to keep the building and its medical equipment operational after an earthquake.

Why

Why hospitals need special protection

After an earthquake, a hospital must keep working: admitting the injured and caring for patients who cannot evacuate on their own. That is why such buildings are subject to stricter seismic resistance requirements.

Seismic isolation reduces floor accelerations. This protects not only the load-bearing structure but also medical equipment, building services and partitions — damage to them can stop a hospital from working even if the frame is intact.

Whether seismic isolation is appropriate is determined by analysis and a technical and economic comparison with conventional seismic protection — for the specific site, soils and structural system.

Devices

Suitable devices

LRBLead rubber bearingsIsolation and damping in one device HDRBHigh-damping rubber bearingsDamping provided by the rubber compound FPSFriction pendulum bearingsThe period is set by the surface radius VFDViscous dampersAdditionally — to limit displacements

Workflow and responsibilities

№ Stage Seismic Dynamics Designer Manufacturer
01Input dataList, completeness checkDrawings, loads, geology—
02Structural modelModel review or developmentAgreement on assumptions—
03Preliminary selectionBearing type and parametersCheck within the designConfirmation of manufacturability
04Parameter approvalData sheets, explanationsApproval in the designTechnical proposal
05Supply and installationSupply, installation supportDesigner's field supervisionManufacturing, testing

What is needed to start

The more complete the data, the more accurate the preliminary solution. We will clarify anything missing during the first discussion.

Submit input data
  • Purpose, city, number of storeys, stage
  • Architectural and structural drawings (DWG, PDF or IFC)
  • Geotechnical survey
  • Design accelerations, spectra
  • Loads and load combinations
  • ETABS or LIRA-SAPR model — if available

Designing a hospital or medical center?

Attach the model or drawings — we will prepare a preliminary seismic isolation solution.

Request selection I need a structural model