Reference Type: Journal Article Record Number: 1 Author: Chen , I. H. and Chen, W. F. Year: 2005 Title: Major revisions of the 2005 aisc seismic code Journal: Advanced Steel Construction Volume: 1 Issue: 2 Pages: 14 Start Page: 3 Short Title: Major revisions of the 2005 aisc seismic code DOI: 10.18057/IJASC.2005.1.2.1 Abstract: In this paper, the major changes of the 2005 Seismic Provisions for Structural Steel Buildings Part I will be summarized and discussed. The major topics include: Introduction of “Demand Critical Welds” and “Protected Zones”; Expansion of Scope; Integration of ASD into LRFD provisions; Introduction of New Systems and Appendices; General Revisions that applied to all Seismic Load Resisting Systems; and Specific Revisions for the Existing Systems. Author Address: Senior Project Engineer, DESIMONE Consulting Engineer, San Francisco, CA, USA/Dean, College of Engineering, University of Hawaii, Honolulu, HI, USA