30   Steeling Home
By Jeff Jansing, PE
Major League Baseball’s newest venue is a masterpiece of structural steel that puts fans close to the field under a retractable roof.

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39   Augmented Approach
By Hannah B. Blum, PhD
Augmented reality provides a tool for steel fabricators to improve their processes, and a university research team is developing a program to make it accessible to fabricators across the country.

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42   Updated Requirements, Same Intent
By Larry Griffis, PE, Larry Muir, PE, and Larry Kruth, PE
Changes are coming to design document requirements in the 2022 AISC Specification and Code. But fear not! The intent remains unchanged, and the impact on users should be minimal.

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49   2022 NASCC: The Steel Conference Exhibitor List



16   Tech Tips for Tapered Members
By Donald W. White, PhD, Woo Yong Jeong, PhD, and Ryan Slein, PhD
The updated AISC/MBMA Design Guide on nonprismatic members provides substantial guidance on designing stepped or tapered steel I-section members for stability, as well as on overall stability design of clear-span and modular gabled building frames, including buildings supporting cranes.

Data Driven
22   A Wild Ride
By Joe Dardis
This month’s Data Driven looks at the expected performance of a handful of sectors in nonresidential construction.

Field Notes
24   Building Balance
Interview by Geoff Weisenberger
Dave Eckmann’s approach to his work as a structural engineer is influenced by his architectural aptitude and education, not to mention his lifelong desire to build things.

Business Issues
27   Connecting for Optimization
By Jef Sharp
Thoughts on how early connected models can help every link in the steel supply chain.