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Pozzolanic compositions containing fly ash and remediation agents for use in cementitious materials

  • US 9,611,174 B2
  • Filed: 06/30/2016
  • Issued: 04/04/2017
  • Est. Priority Date: 06/25/2014
  • Status: Active Grant
First Claim
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1. A pozzolanic composition for use in concrete, said composition comprising a Class C fly ash combined with a natural pozzolan, wherein said natural pozzolan is present in a concentration of about 1 wt % to about 99 wt %, and wherein the combination of said natural pozzolan with said Class C fly ash results in said pozzolanic composition meeting specifications under ASTM C618 and/or AASHTO M295 as a Class F pozzolan for pozzolanic admixtures in concrete.

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