Trade war! What is it good for? Whether absolutely nothing or something else, construction will start to find out March 23 when a 25% tariff on imported steel and a 10% tariff on aluminum proposed on March 8 by President Donald Trump takes effect.
With tariffs of 25% on foreign steel imports and 10% on aluminum signed by President Donald Trump on March 8, U.S. construction estimators and buyers have a bit more clarity what to expect when buying materials for future projects.
High above New York City’s streets, ironworkers building the 70-story One Manhattan West tower are laboring inside of a six-story, 900-ton steel-mesh cocoon that hydraulically crawls up the sides of the building as they erect structural steel around the tower’s concrete core.
A dual steel-plate composite shear-wall system, currently undergoing physical testing, has the potential to replace reinforced concrete cores in high-rise office buildings.
The 2016 update of the American Institute of Steel Construction standard “Prequalified Connections for Special and Intermediate Steel Moment Frames for Seismic Applications (ANSI/AISC 358-16)” has nine prequalified beam-to- column moment connections, or four more than the 2010 edition and seven more than the original 2005 standard.