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Vossloh AG of Werdohl, Germany, has closed on Denver-based Rocla Concrete Tie Inc., the leader in prestressed concrete railroad and turnout ties for Class I, commuter passenger, transit authority and industrial lines. Seller Altus Capital Partners II L.P., a Wilton, Conn., private equity firm, had held Rocla Concrete since mid-2013.

Littleton, Colo.-based EdenCrete Industries enters 2017 ramping up production of a liquid admixture that has demonstrated in field trials and early commercial applications a capacity to strengthen concrete at levels sufficient to reduce rebar and portland cement requirements. Dosed at 0.25 gallon to 4 gallons per cubic yard, which typically equates to approximately 3 ounces to 130 ounces per 100 lbs. of cementitious material, the EdenCrete admixture embodies quintillions (one million trillion) of carbon fiber-like tubes, or nanotubes, per gallon. EdenCrete Industries has developed a method to safely transfer carbon nanotubes in admixture form to concrete customers without any risk of health concerns; the resulting product dictates packaging solely in liquid form.

Martin Marietta Materials is the first producer member to use National Ready Mixed Concrete Association’s new system level Environmental Product Declaration (EPD) verification program, oriented to transparency credits in LEED v4 and other green building standards. The program meets strict international standards but streamlines EPD verification: Rather than a fixed set of product-specific EPD, it verifies the software used to generate a concrete mix’s environmental impacts. Hence, producers can tender new product-specific EPD as needed for each project.

From the Technical University of Munich … Engineers who want to investigate the stability of a bridge without cutting into it are in the same position as a doctor seeking a full picture of a patient’s health without resorting to a scalpel. They now have a non-destructive testing (NDT) technique that gives a precise picture of the inner world of objects combining a computerized model and experiment.

BASF Construction Chemicals and Performance Materials divisions in North America can provide design and engineering professionals reports satisfying requirements for Building Product Disclosure and Optimization – Material Ingredients, Option 1. The company’s Product Compliance Management Process was recently certified by a third-party organization, GreenCircle Certified LLC, to ensure independent authentication of environmental claims.