Method of accelerating curing and improving the physical properties of pozzolanic and cementitious-based material
First Claim
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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Abstract
The invention comprises a method of making a cement-based object or structure having a compressive strength greater than about 1,000 psi. The method comprises placing a cement-based material in an insulated concrete form, wherein the insulated concrete form has an R-value of at least 1.5, wherein the cement-based material comprises approximately 10% to approximately 80% by weight portland cement, and at least one of approximately 10% to approximately 90% by weight slag cement and approximately 5% to approximately 80% by weight fly ash. The invention also comprises a method of making a cement-based object or structure. The invention further comprises objects or structures made by the foregoing methods.
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Citations
31 Claims
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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:
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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). - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31)
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Specification