DEVELOPMENT OF GUIDELINES FOR THE SEISMIC DESIGN OF BASE ISOLATED STRUCTURES IN MEXICO

This paper summarizes the research efforts conducted in Mexico to develop seismic guidelines for the design of base-isolated structures. The proposed guidelines are based on the seismic provisions of Mexican seismic codes and their philosophy, but include several recommendations available for base-isolated structures in the UBC-97 and IBC-2000 seismic codes of the United States. Additional requirements were added to account for regional seismicity. Finally, new provisions were derived from original research on the torsional response for base-isolated structures and orthogonal effects, among other topics.

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