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EP Henry, Lafarge, Solidia mark low-carbon binder’s commercial launch

A venture between the LafargeHolcim U.S. Cement business and Solidia Technologies will supply EP Henry’s Wrightstown, N.J., block & paver plant with a reduced carbon dioxide binder plus companion curing equipment. The proprietary production method’s formal launch stems from a six-year effort by the three companies to bring to commercial scale a technology that reduces embodied CO2 in manufactured concrete by up to 70 percent versus conventional, portland cement-based production methods. Development has centered on Solidia Cement milled at the Lafarge Whitehall plant in western Pennsylvania, along with aggregate materials Solidia Technologies sources separately.

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Oldcastle APG shores up Pacific NW footprint with Abbotsford Concrete

The acquisition of British Columbia-based Abbotsford Concrete Products will expand Atlanta-based Oldcastle APG’s hardscape unit offerings and manufacturing capabilities in its western Canada region. Founded in 1989 by Clifford Leach, Abbotsford Concrete has established itself as a hardscapes leader under the direction of sons Chris and Bob Leach. The producer has strong dealer relationships, exceptional quality assurance, innovative engineering, and a proven operational focus, Oldcastle APG affirms. In addition to a market-leading hardscapes brand, the deal brings two top tier paver, slab and segmental retaining wall production facilities.

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Sika, celebrity architect BIG team on 3D printing demonstration

The parent of Sika Corp. is partnering with one of the world’s top architects, Bjarke Ingels Group (BIG), to showcase 3D concrete printing capabilities at the “Formgiving” Exhibition at the Danish Architecture Center in Copenhagen, Denmark. Running through January 2020 in the architect’s home base, the exhibition focuses on the future of construction and how it shapes the planet.

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Concrete pipe: Unquestionably best for drainage construction

The American Concrete Pipe Association’s new video, linked to YouTube from www.concretepipe.org, presents precast, rigid concrete pipe as the ideal choice for durable drainage installations. In every region across North America, engineers, the association contends, transportation departments and contractors know they can trust concrete pipe as the most resilient choice to last for over 100 years. The video explores benefits and performance characteristics backing up that confidence:

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Corps, Marines team cites 3D concrete printing first in high volume demo

Marine Corps Systems Command and 7th Engineer Support Battalion staff joined U.S. Army Corps of Engineers Construction Engineering Research Laboratory (CERL) colleagues last month to test a 3D concrete printing operation with a late model volumetric mixer feeding a 3-in. nozzle. The Champaign, Ill., demonstration was staged to fabricate a field-grade bunker, and followed Marine Corps units’ barrack and bridge structure printing with a 2-in. nozzle assembly.

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