ENR Associate Technology, Equipment and Products Editor Jeff Yoders has been writing about design and construction innovations for 20 years. He is a five-time Jesse H. Neal award winner and multiple ASBPE winner for his tech coverage. Jeff previously wrote about construction technology for Structural Engineer, CE News and Building Design + Construction. He also wrote about materials prices, construction procurement and estimation for MetalMiner.com. He lives in Chicago, the birthplace of the skyscraper, where the pace of innovation never leaves him without a story to chase.
A structural engineering pioneer and innovator who has changed tall building design for more than 30 years, Robert Halvorson is ENR Midwest's 2020 Legacy Award winner.
EPA, Energy and Interior Dept. heads, once confirmed, and new White House advisers in boosted roles, will execute ramped-up climate-change mission, including Trump-era policy reversals.
Using 80-ksi steel in upper perimeter columns—a first in the U.S.—helped the design team reduce the steel by almost 20% at 320 S. Canal, a 51-floor office tower under construction in Chicago’s Loop.
Ready-mix concrete producers have long resisted adopting digitized delivery and verification processes, mostly due to regional producers coping with different rules and varying customer demands across so many jurisdictions.
MKA specifies new ArcelorMittal steel products to create larger upper-level spaces in the 51-story tower and deal with site issues near Chicago Union Station.