Supplement No. This supplement includes limited revisions to existing provisions for end-plate and reduced beam section RBS connections, and provides design provisions for additional moment connection technologies, including the bolted flange plate BFP moment connection, the welded unreinforced flange—welded web WUF-W moment connection, and the Kaiser Bolted Bracket KBB proprietary cast moment connection. The supplement also includes a draft appendix for cast steel material and quality. The draft supplement is available for review by downloading the document at the links provided below. Please vote and submit comments on the supplement using the attached ballot form. Please submit your comments electronically to hewitt aisc.
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A resource that provides a greater variety of pre-qualified moment connection options for special moment frames SMF and intermediate moment frames IMF is now available for designers of steel structures in high seismic regions. The supplement modifies an existing prequalified moment connection and also adds three new prequalified moment connections. At that time, neither of the prequalified extended end-plate moment connections could be used with composite concrete structural slabs in SMF.
Supplement No. I want to hear from you. Tell me how we can improve. Alternative project delivery firms have been hit by the COVID crisis, but they are delivering emergency jobs and may be key to quickly answering pent-up demand when the crisis ends.
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Supplement No. 1 to ANSI/AISC 358-05 Available for Free Download