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NPCA cites domestic steel pricing, capacity concerns with Trump tariffs

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Published: Monday, 05 March 2018 08:18
Written by Concrete News

Sources: National Precast Concrete Association, Carmel, Ind.; CP staff

Tariffs of 25 percent on imported steel that President Donald Trump announced this month would negatively impact the precast concrete industry, according to National Precast Concrete Association President Ty Gable. “When you impose high tariffs, two major things happen,” he says. “The price of domestic steel goes through the roof. Second, there is a capacity problem and [producers] have difficulty getting their materials on time.”

Read more: NPCA cites domestic steel pricing, capacity concerns with Trump tariffs

Argos USA channels cement kiln-derived CO2 to ready mixed concrete

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Published: Tuesday, 27 February 2018 21:11
Written by Concrete News

Sources: CP staff; CarbonCure Technologies, Halifax, N.S.

Argos USA has anchored a five-member consortium targeting a closed loop model of carbon dioxide capture and recycling in cement and concrete production. In an early-2018 demonstration, the company used CO2 from its Calera, Ala., cement plant in commercial concrete produced at its Glenwood, Ga., batch plant. That Atlanta-area ready mixed operation is among nearly 100 sites, primarily in the U.S., equipped with CarbonCure Technologies CO2 storage and injection devices. The CarbonCure process uses the greenhouse gas to promote cement hydration in high to zero slump concrete.

Read more: Argos USA channels cement kiln-derived CO2 to ready mixed concrete

Martin Marietta, Vulcan sales and profits stay in lockstep

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Published: Tuesday, 27 February 2018 16:10
Written by Concrete News

Sources: CP staff; Martin Marietta Materials, Raleigh, N.C.; Vulcan Materials Co., Birmingham, Ala.

For a second consecutive year, the industry's top aggregates producers closed 12 months with near-equal financials, albeit from differing levels of sand & gravel, crushed stone, ready mixed concrete, cement and asphalt.

Read more: Martin Marietta, Vulcan sales and profits stay in lockstep

Limestone processor enters concrete market with three calcium carbonate grades

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Published: Monday, 26 February 2018 10:28
Written by Concrete News

Sources: Huber Carbonates LLC, Atlanta; CP staff

Huber Carbonates launched HuberCrete, a series of ground calcium carbonates for fly ash substitution and self-consolidating concrete mixes, at the 2018 Precast Show in Denver. The product is processed in Prime, Preferred and Extra Fine grades of these respective median particle size and Blaine fineness profiles: 15-24 µm, 300-500 m2/kg; 8-13 µm, 500-700 m2/kg; and 3-5 µm, 700-1,000 m2/kg.

Read more: Limestone processor enters concrete market with three calcium carbonate grades

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