CSA-S16-14 - What's Up in the Next Canadian Steel Design Standard and Its Seismic Provisions [N53]

The next version of CAN/CSA-S16-14 Design of Steel Structures is scheduled to come out at the end of 2014. This standard is updated on a five-year cycle. Several sections have been revised and will be presented, including the Seismic Provisions (Clause 27). The main changes are the addition of provisions for demand critical welds, beam-to-column joints for moment frames (plus a new edition of the CISC Guide on Moment Connections), multi-tiered braced frames, modular eccentrically braced frames built with replaceable ductile links, and a new annex that provides guidance for the seismic design of heavy steel industrial structures. For NBCC, new provisions for single-story structures with flexible diaphragms are being considered for NBCC 2015.

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