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36-in. Slim stone bulks up Oldcastle APG veneer program

Atlanta-based Oldcastle APG has broadened its Echelon brand with a line of full-depth veneer stone that delivers a distinctive aesthetic, increased durability, and reduced installation time.

Read more: 36-in. Slim stone bulks up Oldcastle APG veneer program

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.

Read more: Thin shell classic TWA structure gets new life

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.

Read more: 3D printing, graphene partners trace rapid building template

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.

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

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.

Read more: CalPortland documents glaring greenhouse gas accounting void