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Coated-fine-aggregate, concrete composition and method

  • US 10,618,843 B2
  • Filed: 04/17/2019
  • Issued: 04/14/2020
  • Est. Priority Date: 07/01/2014
  • Status: Active Grant
First Claim
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1. A composition comprising:

  • coarse aggregate comprising rocks of a comparatively larger size;

    fine aggregate comprising granules of sand having an average maximum dimension substantially smaller than the coarse aggregate;

    cement; and

    lightweight aggregate, the lightweight aggregate selected from the group consisting of;

    an organic material that tends to absorb water, and a highly porous solid material that has sufficient capillary action to absorb and store water, wherein the lightweight aggregate further comprises a shell around the lightweight aggregate.

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