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US 8,653,163 B2Granted
Coated aggregate for producing concrete
AssigneeSika Technology AG
InventorsDieter Honert, Hans Knauber, Julia Hillenbrand
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Abstract
The subject matter of the invention are coated aggregates for producing concrete and methods for the production thereof. The invention also relates to concrete compositions for producing concrete and concrete provided with aggregates, production methods and the use of organic polymers for the improvement of the stability of concrete.
Claims10
A concrete aggregate for improving the stability of concrete against an alkali-silica reaction, the concrete aggregate comprising:
- a mineral aggregate coated with a coating, the coating comprising:
- an organic polymer;
- and
- a lithium salt additive that provides the coating with an additional functionality that the concrete aggregate would not exhibit without the additive, wherein lithium ions of the lithium salt are positioned in a targeted manner onto the aggregate and are not distributed throughout the entire concrete composition.
1 more element
Dependencies are inferred from the claim text.