Alabama student teams prevail in PCI Big Beam competition

The University of Alabama – Teams B and A placed first and third in the Precast/Prestressed Concrete Institute’s 2022 Engineering Design Competition, also known as Big Beam. Sponsors ALP Supply and PCI’s Aspire Magazine will present Teams B and A respective cash prizes of $2,000 and $1,500, and the University of Minnesota Duluth team with $1,750 for its second place…

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Report confirms embodied carbon reduction priorities across concrete practice

New Dodge Construction research reveals how building interests are actively seeking to reduce the carbon footprint of concrete construction. Data shows that 81 percent of structural engineers and 69 percent of contractors working with concrete are tracking the embodied carbon on their projects, and about one third taking action to address the metric.  Published in partnership with CarbonCure Technologies with…

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Compact wheel loaders

Building on M-Series models, the new Next Generation Cat 906, 907 and 908 wheel loaders boast a reengineered operator’s station, leveraging exclusive technologies to improve operator experience and provide larger wheel loader model comfort on a smaller platform. The loaders’ new Cat C2.8 engine, plus upgraded drive and powertrain, deliver faster roading speeds and drive train performance than the predecessor…

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RMC Foundation strength predictor model picks up where Duff Abrams left off

The latest RMC Research & Education Foundation report, “A Concrete Strength Model to Optimize Concrete Mixtures,” and companion Excel tool equip producers and practitioners to pinpoint appropriate binder dosages and limit potential overdesign as measured in 28-day concrete specimen compressive strengths exceeding psi targets.  Report author and Florida consultant Edwin J. Dunstan Jr. refined his model based on observations from…

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Afinitas acquires Johnson Gas Curing Systems Division

Sources: Johnson Gas Appliance Co., Cedar Rapids, Iowa; CP staff Johnson Gas Appliance has completed the sale of its Curing Systems Division to St. Louis-based Afinitas, where the business will reside alongside the HawkeyePedershaab, New Hampton Metal, CAM, Amifast and Spillman brands. The deal includes CurePak curing equipment, parts and intellectual property, and comes on the heels of a major…

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Cemex to test electric device’s kiln readiness

Cemex S.A.B. de C.V. is the first cement producer to announce testing of Coolbrook Roto Dynamic Heater (RDH) technology, which uses electric power to attain the 1,500-1,700°C kiln temperatures required to calcine and convert limestone and other raw feeds to clinker. At plant scale, an RDH apparatus running on renewable energy sources could potentially replace fossil fuel combustion for the…

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PRODUCERS – MAY 2022

A new identity for LafargeHolcim in the United States, Holcim US, unites legacy brands and strengthening the cement, aggregate and concrete producer’s purpose “to build progress for people and the planet.” Between cement, aggregates, concrete businesses under namesake, Lafarge, Aggregate Industries, Lattimore Materials and other brands, Holcim US operates in 43 states. As the country’s leading building materials provider, it…

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Calstone deal grows Oldcastle APG footprint in Golden State hardscapes

Atlanta-based Oldcastle APG has acquired Calstone, a leading northern California producer of pavers, concrete masonry, segmental retaining wall units and packaged materials serving Sacramento, San Francisco, San Jose and Central Valley markets. “This is a strategically important addition to the Oldcastle APG family as we strive to offer complete outdoor living solutions to our customers across the country,” says President…

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Epoxy primer, coating, sealer

HydroCoat is a specially formulated, water-based epoxy coating/sealer exhibiting strong adhesion to existing or green concrete surfaces—smooth or profiled. The product has long pot-life, low odor, and good chemical resistance, and dries to a walkable surface in four to six hours at 73°F. Additional features and benefits include coverage rates of 400-600 square feet/gallon; formulation of 50 percent solids epoxy…

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Road Gang calculates Infrastructure Investment and Jobs Act impact

The Infrastructure Investment and Jobs Act is the most important piece of transportation legislation since the Federal Aid Highway Act of 1956, National Stone, Sand & Gravel Association Vice President of Government and Regulatory Affairs Michele Stanley noted upon the $1 trillion funding package’s late-2021 passage.  “At the core of the legislation is a five-year, $304 billion reauthorization of our…

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