212 Ketter Hall, North Campus, Buffalo, NY 14260

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• 212 Ketter Hall, North Campus, Buffalo, NY 14260
  
• www.civil.buffalo.edu
• Fax [phone] Tel [phone] x 2400
• Structural Control through Base Isolation
  
• Andrei M Reinhorn
• Professor of Structural Engineering

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Modern Methods in Earthquake and Vibration
Mitigation
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Elastomeric / Natural Rubber Isolators
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Spectral Response
Target Period 2-3sec
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Spectral Response
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Site Effects on Spectral Response
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(No Transcript)
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Steel-Laminated Elastomeric Bearings
Curtesy Scougal Rubber, Seattle, WA
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Deformed Seismic High Damping Rubber Bearing
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Lead Rubber Bearing
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Whitestone Bridge - Rubber Bearings
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Friction Pendulum System
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Friction Pendulum System
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Friction Pendulum System
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• Liquid Natural Gas (LNG)Tanks
• Friction Pendulum System
• 212 Isolators
• -20oC - 30oC
• 1000 tons capacity
• 5 friction
• /-30 cm lateral movement
• period of 2.75 sec

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Hayward City Hall, CA 53 FPS 15 Taylor Fluid
Dampers Period 3.0 sec 3.5 Friction /-28 cm
movement 900 tons capacity
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22 FPS 5 sec period /- 1.30 m movement 2200 tons
capacity R6.2m
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San Francisco Airport International Terminal 267
FPS 3 sec period /- 60 cm movement 3000 tons
capacity