Impediments to the Implementation of Seismic Isolation

by Ronald L. Mayes, Dynamic Isolation Systems, Inc, Berkeley, United States,

Document Type: Proceeding Paper

Part of: Structures Congress XII


There are over 400 civil engineering structures, worldwide, that have been constructed using the principles of seismic isolation, and 70 of these are in the United States. Although use of the technology is increasing in the United States, it is significantly less than that which is seen in Japan and New Zealand. Most of the impediments that were encountered in the U.S., in the 1980's, were discussed in a paper by the same author, which was presented, in 1990, in EERI's Earthquake Spectra. This paper provides an update on the issues that were judged to be an impediment and reviews the status of some of the solutions that were discussed for enabling its more widespread use in the U.S.

Subject Headings: Seismic tests | Structural engineering | Earthquakes | Earthquake resistant structures | Earthquake engineering | Base isolation | Seismic loads | United States | Japan | Asia | New Zealand | Oceania

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