An Overview of CTBUH New Performance-Based Seismic Design for Tall Buildings Publication

John Viise
Associate Principal
Thornton Tomasetti, Chicago

In 2008, the CTBUH Seismic Working Group authored the publication “Recommendations for the Seismic Design of High-Rise Buildings.” This document and subsequent CTBUH working group meetings established that a consensus of international design practitioners believe the design principles of Performance-Based Seismic Design (PBSD) are advantageous for the design of tall buildings in regions of high seismic activity. As a result, CTBUH formed the Performance-Based Seismic Design (PBSD) Working Group with the goal to produce a publication to give guidance using design examples to illustrate the concepts of the process.

Although the practice and protocol for PBSD is quite mature in certain countries (e.g. China and Japan), the methods used for PBSD as practiced in the western regions of the US are utilized in other countries more often. As a result, this publication may be an especially helpful reference for practitioners working internationally and for jurisdictions looking to develop their own PBSD guidelines and protocol for design approval. It is the intent of the CTBUH PBSD Working Group to disseminate these methods to an international audience for the advancement of the industry.

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