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Testing of a New Line of Seismic Base Isolators

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Abstract

The latest research activities at the California State University, Northridge gave rise to the innovative passive control of buildings technology invented by Valentin Shustov and called Earthquake Protector http://en.wikipedia.org/wiki/Earthquake_Protector).

The current project supported by NSF, Award No. 0618183, and entitled â¿¿SGER: Testing of a New Line of Seismic Base Isolatorsâ¿ï¿½ is both analytical and experimental. Software for analytical research called Earthquake Performance Evaluation Tool (EPET) was developed by Sergey Shustov (http://www.epet.space3d.biz/).

EPET enables virtual experiments with buildings on Earthquake Protectors. For comparison, those experiments may be accompanied with a virtual testing of identical but fixed-base buildings. On demand, all virtual experiments are animated. Twenty two shake table experiments on Earthquake Protectors have been performed at the UC San Diego Large High Performance Outdoor Shake Table with operational support from The George E. Brown, Jr. Network for Earthquake Engineering Simulation and from Department of CECM, California State University, Long Beach. Logistical support of the project was provided by Basseri Engineering, Santa Monica, CA. Some information on this project may be found in Shustov, V. et al., 2006, Elevated Building Foundation and Earthquake Protector: New Features in Passive Structural Control, Proc. 4th World Congress on Structural Control and Monitoring, San Diego, USA. For the video clips related to Steps One and Three of the research project, click on http://www.ecs.csun.edu/~shustov/EP-2006.htm where you can see a comparative shake table testing of fixed building models (left) and a building models placed on seismic isolators called Earthquake Protectors (right). It is obvious that any sorts of precision equipment and museum artifacts, not just the building structures, may benefit from the Earthquake Protector application. Per the NEES Research Participation Agreement RPA-UCSD-2006-2, brief visual information about the research has been uploaded to the CSUN educational portal ShakeZone for Kids at http://www.ecs.csun.edu/~shustov/ShakeZone.htm and YouTube at http://www.youtube.com/user/vshustov. Full Report on the research is available at https://central.nees.org/data/get/NEES-2006-0283/Public/REPORT.pdf.5th NEES meeting presentation may be found at http://www.nees.org/5am/ppt/WednesdayJune20/330-500pmBreakouts/SoilFoundation-StructureAndBaseIsolation/ValentinShustov.ppt.

 

Cite this work

Researchers should cite this work as follows:

  • Valentin Shustov (2010), "Testing of a New Line of Seismic Base Isolators," https://nees.org/resources/770.

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