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Thin shell classic TWA structure gets new life

Eero Saarinen’s iconic Trans World Airlines (TWA) Flight Center at John F. Kennedy International Airport is once again welcoming travelers to New York. The mid-century landmark has been meticulously restored by architect firm Beyer Blinder Belle to serve as an atrium for the new Jet Age-inspired TWA Hotel—the airport’s only on-site hotel.

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New test stands to increase fly ash marketers’ raw feed sources

Penn State University Department of Civil and Environmental Engineering researchers’ “Evaluation of Two-Atmosphere Thermogravimetric Analysis for Determining the Unburned Carbon Content in Fly Ash” has received the 2019 Outstanding Article Award by the ASTM International Journal of Advances in Civil Engineering Materials.

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CalPortland documents glaring greenhouse gas accounting void

In a new paper summarizing peer-reviewed scientific studies, CalPortland Co. staff cites the exclusion of a critical factor in global, national, and regional greenhouse gas accounting methods: Concrete buildings, pavements and structures are silently absorbing carbon dioxide from the atmosphere—to such an apparent degree that the built environment represents one of the world’s largest carbon storehouses.

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3D printing, graphene partners trace rapid building template

A memorandum of understanding sets the stage for GrapheneCA, a New York-based commercial scale producer of graphene, to design an extruder and mixing system that could be embedded into the 3D-printing equipment of Apis Cor Co., San Francisco. Graphene is an advanced carbon agent emanating from nanotechnology and exhibits strong potential as an admixture for high performance concrete.

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Architectural precast prospects fuel High Concrete’s $8M plant upgrade

High Concrete Group, LLC has begun a major production capacity upgrade at its 148-acre headquarters campus in Denver, Pa. An investment up to $8 million in new equipment, processes and facility construction will completely overhaul operations in a bid to extend the producer’s growing presence and influence in architectural precast concrete, including structural and non-structural wall elements, cladding and panels for commercial and institutional building enclosures.

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