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Sakrete teams with master artisan Cheng on clay-like ‘ShapeCrete’

19 SakreteI 150In collaboration with decorative-concrete expert Fu-Tung Cheng, Charlotte, N.C.-based Sakrete of North America LLC has announced a dry mix affording artisans and do-it-yourself homeowners a concrete that can be poured, rolled, pushed or molded into an infinite variety of designs and effects. Packaged in 20-lb. pails and formulated for a 30- to 60-minute work time, ShapeCrete is sold through arts & craft, hardware and home improvement retailers.

 

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Golden Gate Bridge operator deploys moveable concrete barrier

16 GGIII 150A little concrete was added to one of the world’s signature steel structures earlier this year as Golden Gate Bridge engineers effected a major safety upgrade for northbound (Marin County) and southbound (San Francisco) drivers: Installation of a 13,330-ft. Barrier Systems median structure.

 

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Cement companies score best on carbon, energy in sustainability watchdog audit

An external audit of multinational producers behind the World Business Council for Sustainable Development Cement Sustainability Initiative finds high scores in two of seven key CSI Charter areas: 1) Carbon Dioxide and Energy Management and 2) Fuels and Materials Use. Emissions reduction and resource optimization have netted economic savings, improved waste recovery, and nurtured innovation.

 

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Concrete Joint Sustainability Initiative names 2015 officers

A coalition of industry institutes and associations representing individuals and companies that design, fabricate, construct, or maintain concrete structures, the Concrete Joint Sustainability Initiative (CJSI) has appointed Lafarge Construction Specialist Julie Buffenbarger as chair, plus Portland Cement Association CEO James Toscas and American Concrete Institute Director of Sustainability and Marketing Kevin Mlutkowski as vice chairs, focusing on advocacy and operations, respectively.

 

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Super Air Meter gauges void spacing, freeze-thaw durability prospects

18 Air ii 150A modified version of the ASTM C231, Standard Test Method for Air Content of Freshly Mixed Concrete by the Pressure Method vessel, the Super Air Meter (SAM) measures air-void spacing and air content of plastic concrete in about 10 minutes. Void spacing has been shown to be a better indicator of freeze-thaw durability than total air content, SAM developers note, but challenging to pinpoint—especially in the fresh concrete.

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