28   Exposed Expansion
By William R. O’Donnell, PE, Carlos A. Turizo, PE, and Jose Tellez
Exposed steel creates visual drama in a Miami mall expansion—and plays a pivotal role in the addition of a second level mid-construction.

32   Scientific Method
By Mark Kanonik, PE, and Cody Messier, SE, PE
Steel framing forms the nucleus of an expanding science complex at a small liberal arts college.

38   Modern Manufacturing
By Thorsten Helbig, Florian Meier, and Thomas Mueller
A new take on a tried-and-true truss highlights a fresh approach to factory aesthetics in suburban Chicago.

44   United in Steel
By Dimitrios Frantzis, PE, and Constantinos Frantzis
D.C.’s soccer stadium makes the most of a small parcel of land thanks to an efficient built-up box girder framing scheme.

50   From Top to Bottom
By Gerald Beltran
A major design change redistributes space from the upper floors to a stunning street-level atrium in a steel-framed Seattle skyscraper.

56   Go West
By Geoff Weisenberger
Labor, innovation, and automation were all a big part of the conversation at the 2019 NASCC: The Steel Conference in St. Louis.


16   Connection Consistency
By Carlo Lini, PE
Changes to Chapter K of the 2016 AISC Specification improve consistency, usability, and clarity—and provide a better resource for HSS connection design.

business issues
25   The Evolution of Detailing
By Mark Turman
Thoughts (from a long-time detailer) on how the steel detailing profession has changed over the years and how it fits into today’s fabrication process.

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6   Editor’s Note
9   Steel Interchange
12   Steel Quiz
61   New Products
62   News & Events
66   Structurally Sound


64   Advertiser Index 
65   Marketplace & Employment