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Method of accelerating curing and improving the physical properties of pozzolanic and cementitious-based material

  • US 9,505,657 B2
  • Filed: 01/30/2015
  • Issued: 11/29/2016
  • Est. Priority Date: 11/11/2011
  • Status: Active Grant
First Claim
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1. A method of making a cement-based object or structure having a compressive strength greater than about 1,000 psi, the method comprising:

  • placing a plastic cementitious-based material in an insulated concrete form, wherein the insulated concrete form has an R-value of at least 1.5 whereby at least a portion of the initial heat of hydration of the cementitious-based material is retained in the insulated concrete form or mold;

    wherein the cementitious-based material comprises;

    aggregate; and

    cementitious material, wherein the cementitious material consists essentially of;

    approximately 30% to approximately 80% by weight portland cement; and

    the remaining cementitious material consists essentially of;

    (a) one or more supplementary cementitious materials;

    or(b) one or more pozzolanic materials;

    or(c) a mixture of (a) and (b).

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