Report - PEER - University of California, Berkeley

RESOLUTIONSThe International Workshop on Performance-Based Seismic Design — Concepts andImplementation was held in Bled, Slovenia, 28 June – 1 July, 2004. The mainsponsors of the workshop were the Pacific Earthquake Engineering Research Centerof the University of California, Berkeley, and the Ministry of Education, Science andSport of Slovenia. Workshop attendees included representatives from 14 countriesfrom Asia, Europe, and North and South America.The workshop provided a valuable forum to exchange research results and designpractice ideas on issues important for seismic risk reduction and the development ofperformance-based earthquake engineering concepts. The theme of the workshop wasto assess the states of knowledge and practice related to performance-based designand its implementation, and to identify challenges that need to be addressed so thatprogress in research and implementation in engineering practice can be accelerated,with a common foundation established on which to base the various approachesadvocated in different countries.The participants agreed:(1) that the workshop has led to a greater understanding of many of the issuesinvolved in performance-based design, and that much progress has been made inthe development of concepts and procedures suitable for implementation inengineering practice. Nevertheless, many issues remain unresolved andadditional research and studies are needed to implement rigorous performancebaseddesign with confidence.(2) that performance-based design concepts provide a suitable framework for futureseismic code development.(3) that common interests exist among researchers and practitioners of the countriesrepresented at the workshop. Progress in research and implementation inengineering practice can be accelerated by the international dialog on theimplementation worldwide of new ideas. Cooperative research on issues ofcommon interest should be encouraged. The participants recognize thatperformance-based design has many facets and may take on very differentmeaning and approaches depending on prevailing economic and societalpriorities. Nevertheless, by continuing the international dialog, a commonfoundation can be established on which to base the various approaches advocatedin different countries.(4) that an urgent need exists for worldwide sharing of data obtained fromexperimental and analytical studies and from field measurements taken duringearthquakes. A protocol for international data sharing should be developed andefforts should be initiated for the creation of a worldwide data repository.xi