Tag: cement

MIT students fortify concrete by adding irradiated recycled plastic

Discarded plastic bottles could one day be used to build stronger, more flexible concrete structures, from sidewalks and street barriers, to buildings and bridges, according to a new study. MIT undergraduate students have found that, by exposing plastic flakes to small, harmless doses of gamma radiation, then pulverizing the flakes into a fine powder, they can mix the plastic with cement paste to produce concrete that is up to 20 percent stronger than conventional concrete.

Lafarge to use water treatment plant residuals as cement raw materials

Lafarge Canada Inc. and Metro Vancouver have reached a three-year agreement that will see drinking water treatment residuals from the Seymour Capilano Filtration Plant be used as a material in cement manufacturing.

EPA Administrator Pruitt keynotes 2017 PCA board meeting

The Portland Cement Association (PCA) welcomed U.S. EPA Administrator Scott Pruitt, who outlined his vision for the EPA and addressed regulatory issues of concern to America’s cement manufacturing industry.

PCA lowers 2016, 2017 cement consumption estimates

The Portland Cement Association (PCA) announced that U.S. cement consumption is on track to see 2.7 percent growth in 2016, making a downward revision of a previous annual growth estimate of 4 percent reported earlier this year.
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