Cemex USA and Concrete Supply Co. have announced a Charlotte-based joint venture with 2 million-yd. production capacity across North Carolina and South Carolina ready mixed plants. Subject
to closing of transactions anticipated later this year, it will be majority owned by Concrete Supply Holdings Co., which will act as the managing member.
A new method for permanently storing carbon dioxide emissions generated from fossil fuels and other industrial processes is at the heart of a mineral carbonation pilot plant to be built at the University of Newcastle’s Institute for Energy and Resources.
Examining prospects for increasing the volume of fly ash beyond the commonplace 15 to 20 percent range, NIST Technical Note 1812 points to shortfalls in the industry benchmark document for Class C and Class F product: ASTM C618-12, Standard Specification for Coal Fly Ash and Raw or Calcined Natural Pozzolan for Use in Concrete.