Stratified cementitious composite
First Claim
1. A stratified cementitious body formed in a single pour from a cementitious slurry comprising a cementitious binder, the slurry having:
- a yield shear stress of less than about 300 Pa, anda plastic viscosity of less than about 70 Pa·
s,wherein the cementitious slurry comprises a more dense and a less dense aggregate material mixed with the cementitious binder and water.
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Abstract
The present invention relates to a method for forming a stratified cementitious body comprising placing a cementitious slurry comprising a cementitious binder, to form the body in a single pour and curing the slurry to form a stratified cementitious body. The method may also comprise the steps of mixing a cementitious binder and at least one aggregate material with water to form a slurry, pouring the slurry into a mold, allowing the slurry to stratify into layers under the influence of gravitational forces and/or buoyancy forces, optionally applying vibrations to the slurry to encourage the slurry to stratify into layers, and curing the slurry to form a stratified cementitious body.
1 Citation
56 Claims
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1. A stratified cementitious body formed in a single pour from a cementitious slurry comprising a cementitious binder, the slurry having:
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a yield shear stress of less than about 300 Pa, and a plastic viscosity of less than about 70 Pa·
s,wherein the cementitious slurry comprises a more dense and a less dense aggregate material mixed with the cementitious binder and water. - 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, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56)
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Specification