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Diagonal Strap Braced Walls

by Don Allen, P.E., S.E., LEED AP

November 30, 2023; 11:00 AM - 1:30 PM Pacific Time

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ICC Preferred Provider #1467
ICC Preferred Provider Course Number: 24443

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Seminar Description

In light-framed construction, diagonal X-braced walls can provide excellent lateral resistance in both high-wind and high seismic conditions. This presentation will discuss the mechanics of x-braced systems, why they are different from code-defined shear walls, what special detailing is required in high seismic areas, how to calculate x-brace deflection, and how important it is (or isn’t) to have tight straps. Pictures of field examples will be included, as well as design examples for wind, seismic, and deflection calculations. As of the end of 2023, AISI will no longer be writing standards! This is fine for the recently released 2024 codes, but there will be ramifications for future code years. Things are still in flux, but by November 30 I should have some updated information.

The views and opinions expressed in this seminar are those of the speaker(s) and do not necessarily reflect those held by S. K. Ghosh Associates LLC.

Speaker Bio

Don Allen, P.E., S.E., LEED AP, is an internationally known expert in cold-formed steel design and currently serves as Director of Technical Services for the Association of the Wall and Ceiling Industry (AWCI). He chairs the Education Committee of the American Iron and Steel Institute, is actively involved in the development of ASTM and AISI standards, and has designed projects in Europe, Africa, and North America. In addition to working for steel product manufacturers, Allen has spent more than a decade in private practice and served over nine years as technical director for the Steel Stud Manufacturers Association (SSMA), the Steel Framing Alliance (SFA), and the Cold-Formed Steel Engineers Institute (CFSEI). At AWCI, Allen is actively involved in codes and standards advocacy for drywall and framing contractors, including installers of lath, plaster, EIFS, stucco, and gypsum He can be reached at

Registration Information

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* Registration on or before November 28, 2023

Please note a single registration allows you to have one connection. However, a number of people can view and listen to the seminar using one connection by using an LCD projector (or a large computer monitor) and good computer speakers or a speaker phone.

All attendees, irrespective of the number of registered connections, can earn 0.25 Continuing Education Units (CEUs) or 2.5 professional development hours (PDHs). CEU/PDH certificates are provided free of charge.

Small Business Registration

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Small Business Benefits and Eligibility


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