Cementitious composition
AssigneeSumma-Magna 1 Corporation
InventorGale A Raponi
Life of this patent
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Abstract
A cementitious composition, including for the molding of relatively light-weight, heat-insulative, nailable, structural units such as bricks, blocks, roof decking, etc. The composition may include an inorganic cementitious settable admixture within which is incorporated a significant proportion of waste industrial products, such as concrete, blacktop, windmill blades, brick chips, plastics, cordierite, tires, stack dust and/or fly ash, ceramics, clays, metals and plastics. The waste industrial products may be incorporated into the composition in various proportions.
Claims20
A cementitious composition, comprising:
- 9-30 weight percent (wt %) of cement, wherein the wt % is defined relative to a total dry weight of the cementitious composition, the total dry weight being a weight of the cementitious composition prior to adding water;
- 1-55 wt % of at least one of fly ash and bottom ash;
- 14-60 wt % of sand;
- 1.9-4.5 wt % of slag;
- and
- 0.5-6 wt % of plastic.
A cementitious composition, comprising:
- 10-25 weight percent (wt %) of cement, wherein the wt % is defined relative to a total dry weight of the cementitious composition, the total dry weight being a weight of the cementitious composition prior to adding water;
- 3-15 wt % of at least one of fly ash and bottom ash;
- 40-60 wt % of sand;
- 1.9-4.5 wt % of slag;
- and
- 1.5-5 wt % of plastic.
Dependencies are inferred from the claim text.