A requirement passed last fall for new construction and expansions in Madison, Wis., to include bird-safe designs and materials has been formally challenged by an advocacy group representing several Wisconsin construction and real estate industry associations.
Disruptions to the U.S. construction market caused by the pandemic were significant, but have not fully derailed activity, according to a forecast from Portland Cement Association
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.
With mass-timber structures gaining momentum in the U.S., ENR takes a look at some of the largest wooden structures in the world and the future of lumber-based construction.
Performance-based structural fire design of steel frames can eliminate fire protection on up to half of a building’s floor beams, according to a two-year study of PBSFD.