Low carbon LC3 binder steers Sika’s next admixture chapter

The Swiss parent company of New Jersey-based Sika Corp. will tailor a new family of concrete admixtures and cement additives around the chemistry and behavior of an emerging binder known as LC3, or Limestone Calcined Clay Cement. Through work with Sika AG and peers, Swiss Federal Institute of Technology officials view the material as a means of carbon footprint reduction…

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Lehigh Redding moves to mill SCM from CO2-rich kiln emissions

Lehigh Hanson Inc. and Fortera Inc., a Silicon Valley technology developer wise to calcium carbonate chemistry and mineralization, are teaming to commercialize a process with optimal output for an era of greenhouse gas scrutiny: Converting the carbon dioxide gas emitted to the environment at the front end, or calcining phase, of ASTM C150 powder production into a blendable supplementary cementitious…

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PCA revises three Industry-Wide EPD, inaugurates Portland-Limestone declaration

New Industry-Wide Environment Product Declarations (IW-EPD) for Portland Cement, Portland-Limestone Cement, Blended Hydraulic Cement and Masonry Cement offer private and public construction interests an exhaustive profile of material, fuel and energy factors attending production of the key ingredient in concrete, grout and mortar. The documents inform updates to companion EPDs that ready mixed and manufactured concrete producers, along with bulk…

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Fly ash use in concrete up slightly; overall ash recycling rate down

Fifty-two percent of the coal ash produced during 2019 was recycled, marking the fifth consecutive year that more than half of the power generating station byproduct in the United States was beneficially used rather than disposed. The volume of fly ash used in concrete, 12.6 million tons, marks a 1 percent increase over 2018 consumption. Year-over-year use of fly ash…

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Eagle Materials outlines proposed cement, wallboard business split

Sources: Eagle Materials Inc., Dallas; CP staff

A strategic portfolio review initiated in early April has spawned a board-approved plan to separate Eagle Materials’ principal businesses, portland cement and wallboard production, into independent, publicly traded corporations. The proposed separation is scheduled for completion during the first half of 2020, and will entail a tax-free spin-off of stock in Heavy Materials and Light Materials entities to Eagle shareholders.

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TRB 2019: Reduce portland cement content by optimizing gradation

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Materials are the critical component of durable transportation infrastructure, and as such got strong coverage at the 99th annual Transportation Research Board meeting earlier this year in Washington, D.C. There, some 12,000 delegates audited presentations in over 800 sessions, which addressed many aspects of transportation design, construction and policy, and encompassed infrastructure built with cast-in-place concrete.

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Ash Grove shareholders clear path for CRH acquisition

Sources: Ash Grove Cement Co., Overland Park, Kan.; CRH Plc, Dublin; CP staff

Shareholders controlling just over 63 percent of Ash Grove Cement voting stock have approved a $3.5 billion merger agreement with Oldcastle Inc. parent company CRH. The deal is projected for a late-2017 or early-2018 closing and will position Atlanta-based Oldcastle Materials as the number five U.S. portland cement producer, with 8 million-plus tons’ annual capacity, while strengthening its role among the top five aggregates and ready mixed concrete operators.

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Ash Grove elevates COO Vance to CEO; Sunderland remains chairman

Sources: Ash Grove Cement Co., Overland Park, Kan.; CP staff

Ash Grove President and Chief Operating Officer J. Randall Vance has been promoted to chief executive officer. He succeeds Charles Sunderland, who is part of the fourth generation of Sunderland family members to lead the company and remains chairman of the board.

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Argos’ art of the nine-figure deal

By Don Marsh

Colombia-based Argos S.A. demonstrates in its latest investment the credit facilities and drive to build multiple U.S. cement and concrete platforms, perhaps competing for acquisitions with expansion-minded peers on the order of Oldcastle Materials and Summit Materials.

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