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Concrete runways, roads, highways and slabs on grade and methods of making same

  • US 9,114,549 B2
  • Filed: 01/28/2014
  • Issued: 08/25/2015
  • Est. Priority Date: 09/25/2012
  • Status: Active Grant
First Claim
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1. A method comprising:

  • placing a first layer of insulating material horizontally on a surface;

    placing plastic cementitious-based material on the first layer of insulating material;

    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 comprising one or more supplementary cementitious materials selected from slag cement and fly ash;

    forming the plastic cementitious-based material into a desired shape having a top and sides;

    placing a second layer of insulating material on the top of the plastic cementitious-base material; and

    leaving the first and second layers of insulating material in place until the cementitious-based material is at least partially cured.

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