Structural News

Standard approved for intumescent coatings to protect structural steel in fire

W. Conshohocken, Pa. — Intumescent coatings produce an insulating char when activated by heat or flame. Such coatings are designed to safeguard the structural integrity of steel under fire conditions and to maintain safe temperatures for a specified period of time. A new ASTM standard will cover the specification, application and inspection of intumescent fire-resistant materials to structural steel.

Built by Women NYC seeks nominations

​New York — The Beverly Willis Architecture Foundation (BWAF) received grants from the New York Building Foundation and the New York Council for the Humanities to identify 100 outstanding structures and built environments, either contemporary or historic, designed and/or constructed by women in New York City.

Structal-Bridges lands over $90 million in contracts for New York bridges

Saint-Georges, QC — Structal-Bridges, a division of Canam Group Inc., with U.S. corporate office located in Point of Rocks, Md., obtained two contracts totaling more than $90 million for the fabrication of the steel structures that will replace two major bridges in New York: the New NY Bridge Project to replace the Tappan Zee Bridge over the Hudson River owned by the New York State Thruway Authority and the Goethals Bridge that spans the Arthur Kill owned by The Port Authority of New York and New Jersey.

AISI publishes new standard for design of profiled steel diaphragm panels

Washington, D.C. — The American Iron and Steel Institute (AISI) published a new standard: AISI S310-13, North American Standard for the Design of Profiled Steel Diaphragm Panels. The new standard provides design provisions for diaphragms consisting of profiled steel decks or panels which include acoustic panels, cellular deck, and composite deck filled with concrete.

Horner & Shifrin develops repair plans for Maritz Overpass

St. Louis — Horner & Shifrin (H&S) developed plans for repairing the Maritz Overpass on Interstate 44 for the Missouri Department of Transportation (MoDOT). In June, the bridge was struck by an over-height commercial vehicle, severely damaging two of its steel plate girders and causing slight damage to four more.

AISI standards offered free at new website

Washington, D.C. – The American Iron and Steel Institute (AISI) announced that its S200-series (cold-formed steel framing), S300-series (profiled steel diaphragm), and S900-series (test) standards are now available for downloading free of charge at a new website location, www.aisistandards.org.

ACI Foundation’s Concrete Research Council announces new Research Network

Farmington Hills, Mich. — In its quest to align donors, researchers, and funders with concrete research projects, the ACI Foundation has united with several industry partners by formal Memoranda of Agreements to form the Concrete Research Network (CRN). The CRN is a forum for the concrete industry to engage and connect researchers, funding organizations affiliated with the concrete industry, and industry users with technical research needs, with the end goal of promoting research needs and projects that offer broad implementation across the concrete industry.

Iowa State engineers to simulate and model tornado winds and their effects on buildings

AMES, Iowa – The Iowa State University Tornado Simulator kicked up a thick and slowly spinning funnel cloud over a model of a small town, overwhelming the miniature streets, buildings and homes. Partha Sarkar turned from the laboratory vortex and announced, “That’s an EF3.” Most tornadoes (about 90 percent of them) are EF3 or less in intensity. And so Sarkar advocates that homes and buildings within tornado alley across the middle of the U.S. be designed to withstand EF3 tornadoes and their top wind speeds of 165 mph.

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