Graniterock adds carbon footprint savings calculator to iPhone app

Graniterock Construction Calculators Version 4.2 app

The Construction Calculators Version 4.2 app enables architects and contractors to gauge carbon dioxide emissions reduction when using supplementary cementitious materials to offset portland cement in concrete mix designs. The just-released update builds on one of the industry’s first mobile device-geared software products, launched in 2011, for estimating a project’s ready mixed and aggregate requirements.

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NRMCA caps first phase of industry-wide Environmental Product Declaration

Source: National Ready Mixed Concrete Association, Silver Spring, Md.

The first of two phases in development of a standard Environmental Product Declaration (EPD)—aimed at assisting ready mixed producers on projects where customers target certification under the new LEED v4 green building rating system—has produced a survey report and list of participating companies and plants, posted (below opening tables) here.

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MIT researchers model stronger cement on theory behind Corning Gorilla Glass

Sources: Concrete Sustainability Hub at Massachusetts Institute of Technology, Cambridge; Corning Inc., New York; CP staff

Borrowing from a ‘rigidity theory’ that has led Corning Inc. engineers to the high performance Gorilla Glass—its toughness in thin sections equal to smartphone and laptop computer screens—the Concrete Sustainability Hub is studying potential portland cement reformulation aimed at higher fracture resistance than current ASTM C 150 product.

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Graniterock adds carbon footprint savings calculator to iPhone app

Sources: Graniterock, Watsonville, Calif.; CP staff

Graniterock’s Construction Calculators Version 4.2 app enables architects and contractors to gauge carbon dioxide emissions reduction when using supplementary cementitious materials to offset portland cement in concrete mix designs. The just-released update builds on one of the industry’s first mobile device-geared software products, launched in 2011, for estimating a project’s ready mixed and aggregate requirements.

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Northeast Newcomer

Convening in Montreal are (from left) McInnis Cement Senior Vice President, Commercial & Logistics Jim Braselton, Chief Executive Officer Christian Gagnon and Senior Vice President, Operations Gaetan Vezina.
McInnis Cement orients greenfield plant to broad Great Lakes and Atlantic Coast market footprint

By Don Marsh

Quebec Premier Pauline Marois and business leaders convened in late-January to outline a financial structure for an export-driven start up, McInnis Cement. The company will commence spring 2014 construction of a “shovel ready,” $1 billion project: An advanced portland cement mill with ultimate annual capacity upward of 2.5 million tonnes (2.75 million tons), plus marine terminal equipped to load 2,000 tonnes (2,200 tons)/hour.

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To reap efficiency or sow fragmentation

Impending ownership changes of two concrete and cement businesses, one each side of the Atlantic, remind us how reasonably regulated free markets overwhelmingly trump those hamstrung by heavy-handed government agencies. Consider the investor-sanctioned Martin Marietta Materials–Texas Industries merger versus the British government-ordered creation of a portland cement, GGBF slag and ready mixed producer from the sale of existing players’ assets. The driving forces behind the transactions are the embrace or rejection of realities of a market rewarding efficiency versus fragmentation.

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PLYCEM ADDS FIBER CEMENT SIDING IN SAINT-GOBAIN DEAL

Paris-based Saint-Gobain anticipates a firstquarter 2014 closing on the sale of its RoaringRiver, N.C.; Terre Haute, Ind.; and, WhiteCity, Ore., fiber cement siding facilities toAlpharetta, Ga.-based Plycem USA Inc., whichdistributes fiber cement trim sourced from aCosta Rica plant.

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FHWA evolves Highway Materials Engineering Course

The Federal Highway Administration is extensively revising its Highway Materials Engineering Academy, which for 20 years has prepared transportation agency staff to develop specifications and guidance; make effective project acceptance decisions; and, design, construct and maintain assets to achieve long service life.

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