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Very fast setting cementitious composition with high early-age compressive strength

  • US 7,670,427 B2
  • Filed: 06/06/2007
  • Issued: 03/02/2010
  • Est. Priority Date: 06/06/2007
  • Status: Active Grant
First Claim
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1. A method of providing a fast setting cementitious mixture comprising:

  • mixingwater,a cementitious reactive powder comprising hydraulic cement, anda set accelerating amount of alkanolamine and polyphosphate,under conditions which provide a mixture temperature of at least about 90°

    F.

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