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Quality control specialist applies 3D imaging to concrete masonry

32 HVDmain 150A developer of real time inspection tools for a range of production processes timed commercial launch of the HVD (Height Volume Density) Control System for concrete brick, block and pavers with the National Concrete Masonry Association’s 2016 ICON-Xchange in Orlando. The announcement follows Neoculus Technologies’ piloting of the equipment with Oldcastle Architectural’s Quebec-based Permacon business.

 

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MIT researchers: New microstructure modeling spells better concrete

30 Cube 150To further understand concrete’s microscopic structure and behavior, researchers from the Massachusetts Institute of Technology, Georgetown University, France’s CNRS and peer institutions on both sides of the Atlantic have focused on the principal binder: Is calcium silicate hydrate a continuous solid, like metal or stone, or an aggregate of small particles? Their finding that solidified CSH is a “bit of both” could inform new approaches to lowering mix designs’ water volume and finished structures’ permeability.

 

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North American properties top performers in LafargeHolcim charter year

With $5.84 billion in cement, aggregate and ready mixed concrete sales, North America led five LafargeHolcim Ltd. regions in 2015, besting overall figures from Asia Pacific, Europe, Latin America and Middle East Africa businesses. In its inaugural annual report, the company credits continuing U.S. recovery, cost optimization and price management for solid North America region results. Cement and aggregate volumes increased as a whole across the U.S. and eastern Canada, offset partially by a) reduced demand in Texas and western Canada markets, where oil and commodity investments were under pressure; and, b) merger-driven divestments in some states. A double-digit increase in U.S. operating EBITDA (earnings before interest, taxes, depreciation, amortization) stemmed from active cost, price and margin management.

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Headwaters Block Group prepares to integrate fly ash-based CalStar process

28 CalStari 150Headwaters Inc. has acquired the fly ash-centered technology of recently liquidated brick, paver and masonry trim operator CalStar Products. The intellectual property will be integrated into the Block Group, with concrete masonry production and distribution in Texas and Louisiana, through Headwaters Construction Materials, the leader in ASTM C618 fly ash processing and marketing.

 

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Dufferin deposit bears first certification for responsibly sourced aggregate

26 CSC 150Dufferin Aggregates’ Acton Quarry in Halton Hills, Ontario, is the first operation to receive Cornerstone Standards Council (CSC) certification as a supplier of responsibly sourced stone, sand and gravel. The certification stands to benefit internal and external customers of an integrated aggregates, ready mixed and construction entity long the Ontario flagship of Holcim (Canada), but now an Oldcastle Materials sister business under CRH Canada Group.

 

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