Heidelberg Materials North America is extending its Revolve Recycled Aggregates brand through the Little Calumet Yard in Chicago and nearby Gary Yard over the Indiana state line. Both sites serve customers seeking responsibly sourced inputs for their sustainable construction projects. Heidelberg Materials is working with a strategic partner, Z Materials, to accept clean construction or demolition debris and concrete rubble…
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Researchers convert post-service life cement paste to new slag binder
Sources: Materials Processing Institute, Middlesbrough, U.K.; CMCM staff The United Kingdom’s Materials Processing Institute is testing the potential to transform finely graded cement paste, extracted from demolition concrete, to new cementitious material using scrap steel melted by an electric arc furnace. Dubbed Cement 2 Zero, the two-year project could prove at commercial scale the Cambridge Electric Cement (CEC) process developed…
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