Sources: American Concrete Institute, Farmington Hills, Mich.; CP staff
The newly formed ACI Committee 564, 3-D Printing with Cementitious Materials will report on three-dimensional printing and additive manufacturing with inorganic cementitious materials, and develop publications on the technology’s applications, challenges and impacts.
Sources: ASTM International, West Conshohocken, Pa.; CP staff
ASTM Subcommittee C09.48 on Performance of Cementitious Materials and Admixture Combinations’ working document, WK40615 Guide for Comparing Performance of Concrete Materials Using Mortar Mixtures, standardizes longstanding material-performance investigation protocol.
Portland Cement Association’s European counterpart adds valuable perspective to a cement production and climate change dialog, responding to critics of member companies’ European Union Emissions Trading Scheme (EU ETS) participation.
A recent report on results of concrete mixtures testing at National Ready Mixed Concrete Association’s College Park, Md., research laboratory underscores optimized cement paste volume and paste-to-void ratio as key factors behind fresh and hardened specimens’ improved performance characteristics.