Structural News

New bridge design improves earthquake resistance

Seattle — Researchers have developed a new design for the framework of columns and beams that support bridges (bents) to improve performance for better resistance to earthquakes, less damage and faster on-site construction. The faster construction is achieved by prefabricating the columns and beams offsite and shipping them to the site, where they are erected and connected quickly.

Formula calculates thickness of bombproof concrete

Munich, Germany — A new type of steel-reinforced concrete protects buildings better from bomb attacks. Researchers have developed a formula to quickly calculate the concrete’s required thickness. The material is being used in the One World Trade Center at Ground Zero.

Arthur Ashe Stadium the latest to tap Birdair

AMHERST, N.Y. – The United States Tennis Association (USTA) and ROSSETTI, the architect of record for the Arthur Ashe Stadium, tapped Birdair to supply a 210,000-square-foot, PTFE membrane, retractable roof, expected to be installed by 2016.

Robert Madsen wins 2014 CFSEI Distinguished Service Award

Washington, D.C. — The Cold-Formed Steel Engineers Institute (CFSEI) named Robert Madsen, P.E., Senior Project Engineer at Devco Engineering, Inc. in Corvallis, Ore., as the recipient of its 2014 Distinguished Service Award. The award, which recognizes the significant contributions of an individual who has volunteered time, talent and resources to the cold-formed steel industry, was presented recently during the 2014 CFSEI Annual Expo and Meeting at the Peabody Hotel in Memphis, Tenn.

Checkered House Bridge wins 2014 ACEC Vermont Grand Award

Tallahassee, Fla. — Built in 1929, the Checkered House Bridge, located in Richmond, Vt., is a 350-foot-long steel truss bridge placed on the National Register of Historic Places in 1990. This bridge needed to be widened 12 feet., 6 inches to allow for two vehicles to safely cross the bridge simultaneously in opposite directions and to accommodate modern traffic loads.

Video: Gilmerton Bridge replacement

Mechanicsburg, Pa. — Modjeski and Masters released a new project video detailing the replacement of the Gilmerton Bridge in Chesapeake, Va. One of five critical bridges in the Hampton Roads region of Virginia, the Henry G. Gilmerton Bridge is an essential hub for more than 1 million vehicular and marine travelers each month. The original bascule span’s 11-foot clearance made it the most frequently opened bridge in Hampton Roads at 7,500 openings per year.

Thornton Tomasetti's Metropolitan Tower Project receives 2014 ULI Vision Award

Chicago — Thornton Tomasetti was recognized by the Urban Land Institute with a 2014 Vision Award in the historic redevelopment category for its work on Metropolitan Tower at 310 South Michigan Avenue in Chicago. Thornton Tomasetti served as the structural engineer, while Pappageorge/Haymes Partners was the architect on the $70 million project.

Giant hinged span coming to world’s longest floating bridge

Medina, Wash. — What will be the world’s longest floating bridge is getting a new feature. Contractor crews for the Washington State Department of Transportation will begin installing a massive, hinged transition span on Friday, June 27, and will have it fully in place the following day. Five girders make up the span, each of which is 190 feet long and weighs 45 tons. Once assembled, the transition span will serve as the threshold between the moveable, floating bridge and the highway’s stationary, elevated segment near Lake Washington’s eastern shore.

OMA's De Rotterdam awarded Best Tall Building in Europe

Rotterdam — OMA’s recently completed tower, De Rotterdam, has been awarded Best Tall Building in Europe by the Council on Tall Buildings and Urban Habitat (CTBUH). In addition, De Rotterdam has been nominated by CTBUH for Best Tall Building Worldwide.

CFSEI announces 2014 Design Excellence Award winner

Washington, D.C. —The Cold-Formed Steel Engineers Institute (CFSEI) named DSi Engineering, LLC as the winner of its Design Excellence Award, which was presented recently during the 2014 CFSEI Annual Expo and Meeting at the Peabody Hotel in Memphis, Tenn. The award recognizes small and large projects that exemplify excellence in the structural design of new or renovated structures utilizing cold-formed steel products.

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