Blended cement composition
First Claim
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1. A supplementary cementitious material comprising:
- about 25% to about 80% of slag, by weight, about 20% to about 75% other pozzolans, and about 0% to about 25% other additives.
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Abstract
A blended cement composition including portland cement, slag, and one or more additives is included herein. Also included herein is a supplementary cementitious material including slag. Slags used herein may have low amorphous content and may provide beneficial particle packing and durability properties when provided in combination with portland cement and/or other pozzolans.
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Citations
20 Claims
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1. A supplementary cementitious material comprising:
about 25% to about 80% of slag, by weight, about 20% to about 75% other pozzolans, and about 0% to about 25% other additives. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A supplementary cementitious material comprising slag, wherein at least 22% of said material has a particle size greater than 68 μ
- m and less than 420 μ
m. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18)
- m and less than 420 μ
- 19. A supplementary cementitious material comprising slag and at least one other pozzolan, wherein said slag has between about 40% and about 90% amorphous content as measured by X-ray diffraction.
Specification