AISC Seismic Provisions for Structural Steel Buildings

Abstract eng:
The American Institute of Steel Construction (AISC) document “Seismic Provisions for Structural Steel Buildings”, has become the reference document for seismic design of steel structures throughout the United States. Since its initial publication in 2000, the International Building Code has incorporated these provisions by reference. Since their 1997 publication, the AISC Seismic Provisions have been updated on a regular basis in order to incorporate new developments from the FEMA/SAC project on moment frames and other work in this area. The latest revision culminated in 2005 with the publication of a completely new set of provisions that is in the same unified format as the main AISC design specification. In addition, this edition adds two new structural systems (Buckling Restrained Braced Frames and Steel Plate Shear Walls) and makes reference to a new AISC standard for the pre-qualification of seismic moment connections that was also completed in 2005. Major improvements to the quality control sections, based on FEMA 353, are also included for the first time. Coordinated efforts between AISC, ASCE-7 and the Building Seismic Safety Council (BSSC) will continue the process of keeping the seismic design provisions for structural steel buildings as current as possible. This paper will summarize the 2005 AISC Seismic Provisions and the use of the new moment connection pre-qualification standard. It will also address work that is underway to update the standard for the 2010 edition of the AISC Seismic Provisions.

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